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SELECT 
  cscart_product_review_prepared_data.product_id AS product_id, 
  cscart_product_review_prepared_data.average_rating AS average_rating, 
  cscart_product_review_prepared_data.reviews_count AS reviews_count 
FROM 
  cscart_product_review_prepared_data 
WHERE 
  cscart_product_review_prepared_data.product_id IN (
    19799, 19678, 19546, 19811, 19545, 19809, 
    19810, 19815, 19814, 19812, 19813, 
    19558, 19673, 19557, 19850, 19851, 
    19847, 19846, 19845, 19848, 19849
  ) 
  AND cscart_product_review_prepared_data.storefront_id = 0

Query time 0.00043

JSON explain

{
  "query_block": {
    "select_id": 1,
    "table": {
      "message": "Impossible WHERE noticed after reading const tables"
    }
  }
}