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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 (
    8725, 8522, 7507, 7510, 7508, 7905, 7906, 
    7511, 7968, 7527, 8722, 7966, 7908, 
    7514, 7963, 8582, 8530, 7901, 7566, 
    7907, 7593, 7902, 7806, 7956, 7957, 
    7929, 7924
  )

Query time 0.00027

JSON explain

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