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SELECT 
  f.feature_id, 
  f.purpose, 
  p.product_id, 
  p.parent_product_id, 
  g.id, 
  g.code 
FROM 
  cscart_product_variation_group_features AS f 
  INNER JOIN cscart_product_variation_groups AS g ON f.group_id = g.id 
  INNER JOIN cscart_product_variation_group_products AS p ON f.group_id = p.group_id 
WHERE 
  p.product_id IN (
    7056, 7068, 7047, 7061, 7034, 7046, 8052, 
    8059, 7058, 8055, 7045, 8057, 8056, 
    8058, 8060, 7057, 7055, 7048, 7053, 
    7054, 7071, 7051, 7070, 7044, 7508, 
    7062, 7072
  )

Query time 0.00032

JSON explain

{
  "query_block": {
    "select_id": 1,
    "message": "no matching row in const table"
  }
}