SELECT 
  cscart_products.* 
FROM 
  cscart_products 
WHERE 
  cscart_products.product_id IN (
    8522, 7507, 7966, 7514, 7963, 7924, 7964, 
    8523, 7548, 7960, 7821, 7706, 7512, 
    7967, 7962, 7961
  )

Query time 0.00037

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "11.21"
    },
    "table": {
      "table_name": "cscart_products",
      "access_type": "range",
      "possible_keys": [
        "PRIMARY"
      ],
      "key": "PRIMARY",
      "used_key_parts": [
        "product_id"
      ],
      "key_length": "3",
      "rows_examined_per_scan": 16,
      "rows_produced_per_join": 16,
      "filtered": "100.00",
      "index_condition": "(`primapearl_r_new`.`cscart_products`.`product_id` in (8522,7507,7966,7514,7963,7924,7964,8523,7548,7960,7821,7706,7512,7967,7962,7961))",
      "cost_info": {
        "read_cost": "9.61",
        "eval_cost": "1.60",
        "prefix_cost": "11.21",
        "data_read_per_join": "134K"
      },
      "used_columns": [
        "product_id",
        "product_code",
        "product_type",
        "status",
        "company_id",
        "list_price",
        "amount",
        "weight",
        "length",
        "width",
        "height",
        "shipping_freight",
        "low_avail_limit",
        "timestamp",
        "updated_timestamp",
        "usergroup_ids",
        "is_edp",
        "edp_shipping",
        "unlimited_download",
        "tracking",
        "free_shipping",
        "zero_price_action",
        "is_pbp",
        "is_op",
        "is_oper",
        "is_returnable",
        "return_period",
        "avail_since",
        "out_of_stock_actions",
        "localization",
        "min_qty",
        "max_qty",
        "qty_step",
        "list_qty_count",
        "tax_ids",
        "age_verification",
        "age_limit",
        "options_type",
        "exceptions_type",
        "details_layout",
        "shipping_params",
        "facebook_obj_type",
        "parent_product_id",
        "__variation_code",
        "__variation_options",
        "yml2_brand",
        "yml2_origin_country",
        "yml2_store",
        "yml2_pickup",
        "yml2_delivery",
        "yml2_adult",
        "yml2_delivery_options",
        "yml2_bid",
        "yml2_model",
        "yml2_sales_notes",
        "yml2_type_prefix",
        "yml2_offer_type",
        "yml2_market_category",
        "yml2_manufacturer_warranty",
        "yml2_expiry",
        "yml2_purchase_price",
        "yml2_description",
        "yml2_cpa",
        "buy_now_url",
        "spsr_product_type",
        "__is_default_variation",
        "external_id",
        "update_1c",
        "fiscal_data_1212",
        "mark_code_type"
      ]
    }
  }
}

Result

product_id product_code product_type status company_id list_price amount weight length width height shipping_freight low_avail_limit timestamp updated_timestamp usergroup_ids is_edp edp_shipping unlimited_download tracking free_shipping zero_price_action is_pbp is_op is_oper is_returnable return_period avail_since out_of_stock_actions localization min_qty max_qty qty_step list_qty_count tax_ids age_verification age_limit options_type exceptions_type details_layout shipping_params facebook_obj_type parent_product_id __variation_code __variation_options yml2_brand yml2_origin_country yml2_store yml2_pickup yml2_delivery yml2_adult yml2_delivery_options yml2_bid yml2_model yml2_sales_notes yml2_type_prefix yml2_offer_type yml2_market_category yml2_manufacturer_warranty yml2_expiry yml2_purchase_price yml2_description yml2_cpa buy_now_url spsr_product_type __is_default_variation external_id update_1c fiscal_data_1212 mark_code_type
7507 290-1-002 P A 1 34370.00 100 0.000 0 0 0 0.00 0 0 1613333646 0 N N N B N R N N N Y 10 0 N 0 0 0 0 N 0 P F default a:5:{s:16:"min_items_in_box";i:0;s:16:"max_items_in_box";i:0;s:10:"box_length";i:0;s:9:"box_width";i:0;s:10:"box_height";i:0;} activity 0 N 0 0 Y 24 N Y 1
7512 290-1-046 P A 1 79080.00 100 0.000 0 0 0 0.00 0 0 1613333646 0 N N N B N R N N N Y 10 0 N 0 0 0 0 N 0 P F default a:5:{s:16:"min_items_in_box";i:0;s:16:"max_items_in_box";i:0;s:10:"box_length";i:0;s:9:"box_width";i:0;s:10:"box_height";i:0;} activity 0 N 0 0 Y 24 N Y 1
7514 290-1-048 P A 1 49880.00 100 0.000 0 0 0 0.00 0 0 1613333646 0 N N N B N R N N N Y 10 0 N 0 0 0 0 N 0 P F default a:5:{s:16:"min_items_in_box";i:0;s:16:"max_items_in_box";i:0;s:10:"box_length";i:0;s:9:"box_width";i:0;s:10:"box_height";i:0;} activity 0 N 0 0 Y 24 N Y 1
7548 290-1-1039R P A 1 56390.00 100 0.000 0 0 0 0.00 0 0 1613333646 0 N N N B N R N N N Y 10 0 N 0 0 0 0 N 0 P F default a:5:{s:16:"min_items_in_box";i:0;s:16:"max_items_in_box";i:0;s:10:"box_length";i:0;s:9:"box_width";i:0;s:10:"box_height";i:0;} activity 0 N 0 0 Y 24 N Y 1
7706 290-1-579R P A 1 76580.00 100 0.000 0 0 0 0.00 0 0 1613333646 0 N N N B N R N N N Y 10 0 N 0 0 0 0 N 0 P F default a:5:{s:16:"min_items_in_box";i:0;s:16:"max_items_in_box";i:0;s:10:"box_length";i:0;s:9:"box_width";i:0;s:10:"box_height";i:0;} activity 0 N 0 0 Y 24 N Y 1
7821 290-1-743R P A 1 75740.00 100 0.000 0 0 0 0.00 0 0 1613333646 0 N N N B N R N N N Y 10 0 N 0 0 0 0 N 0 P F default a:5:{s:16:"min_items_in_box";i:0;s:16:"max_items_in_box";i:0;s:10:"box_length";i:0;s:9:"box_width";i:0;s:10:"box_height";i:0;} activity 0 N 0 0 Y 24 N Y 1
7924 290-1-861R P A 1 53390.00 100 0.000 0 0 0 0.00 0 0 1613333646 0 N N N B N R N N N Y 10 0 N 0 0 0 0 N 0 P F default a:5:{s:16:"min_items_in_box";i:0;s:16:"max_items_in_box";i:0;s:10:"box_length";i:0;s:9:"box_width";i:0;s:10:"box_height";i:0;} activity 0 N 0 0 Y 24 N Y 1
7960 290-1-905R P A 1 75240.00 100 0.000 0 0 0 0.00 0 0 1613333646 0 N N N B N R N N N Y 10 0 N 0 0 0 0 N 0 P F default a:5:{s:16:"min_items_in_box";i:0;s:16:"max_items_in_box";i:0;s:10:"box_length";i:0;s:9:"box_width";i:0;s:10:"box_height";i:0;} activity 0 N 0 0 Y 24 N Y 1
7961 290-1-906R P A 1 104430.00 100 0.000 0 0 0 0.00 0 0 1613333646 0 N N N B N R N N N Y 10 0 N 0 0 0 0 N 0 P F default a:5:{s:16:"min_items_in_box";i:0;s:16:"max_items_in_box";i:0;s:10:"box_length";i:0;s:9:"box_width";i:0;s:10:"box_height";i:0;} activity 0 N 0 0 Y 24 N Y 1
7962 290-1-907R P A 1 86580.00 100 0.000 0 0 0 0.00 0 0 1613333646 0 N N N B N R N N N Y 10 0 N 0 0 0 0 N 0 P F default a:5:{s:16:"min_items_in_box";i:0;s:16:"max_items_in_box";i:0;s:10:"box_length";i:0;s:9:"box_width";i:0;s:10:"box_height";i:0;} activity 0 N 0 0 Y 24 N Y 1
7963 290-1-908R P A 1 50050.00 100 0.000 0 0 0 0.00 0 0 1613333646 0 N N N B N R N N N Y 10 0 N 0 0 0 0 N 0 P F default a:5:{s:16:"min_items_in_box";i:0;s:16:"max_items_in_box";i:0;s:10:"box_length";i:0;s:9:"box_width";i:0;s:10:"box_height";i:0;} activity 0 N 0 0 Y 24 N Y 1
7964 290-1-909R P A 1 53890.00 100 0.000 0 0 0 0.00 0 0 1613333646 0 N N N B N R N N N Y 10 0 N 0 0 0 0 N 0 P F default a:5:{s:16:"min_items_in_box";i:0;s:16:"max_items_in_box";i:0;s:10:"box_length";i:0;s:9:"box_width";i:0;s:10:"box_height";i:0;} activity 0 N 0 0 Y 24 N Y 1
7966 290-1-911R P A 1 48880.00 100 0.000 0 0 0 0.00 0 0 1613333646 0 N N N B N R N N N Y 10 0 N 0 0 0 0 N 0 P F default a:5:{s:16:"min_items_in_box";i:0;s:16:"max_items_in_box";i:0;s:10:"box_length";i:0;s:9:"box_width";i:0;s:10:"box_height";i:0;} activity 0 N 0 0 Y 24 N Y 1
7967 290-1-913R P A 1 82410.00 100 0.000 0 0 0 0.00 0 0 1613333646 0 N N N B N R N N N Y 10 0 N 0 0 0 0 N 0 P F default a:5:{s:16:"min_items_in_box";i:0;s:16:"max_items_in_box";i:0;s:10:"box_length";i:0;s:9:"box_width";i:0;s:10:"box_height";i:0;} activity 0 N 0 0 Y 24 N Y 1
8522 PSL2096 P A 1 27360.00 100 0.000 0 0 0 0.00 0 0 1613333646 0 N N N B N R N N N Y 10 0 N 0 0 0 0 N 0 P F default a:5:{s:16:"min_items_in_box";i:0;s:16:"max_items_in_box";i:0;s:10:"box_length";i:0;s:9:"box_width";i:0;s:10:"box_height";i:0;} activity 0 N 0 0 Y 24 N Y 1
8523 PSL252 P A 1 54050.00 100 0.000 0 0 0 0.00 0 0 1613333646 0 N N N B N R N N N Y 10 0 N 0 0 0 0 N 0 P F default a:5:{s:16:"min_items_in_box";i:0;s:16:"max_items_in_box";i:0;s:10:"box_length";i:0;s:9:"box_width";i:0;s:10:"box_height";i:0;} activity 0 N 0 0 Y 24 N Y 1