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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 (
    1603, 1602, 1601, 1600, 1599, 1598, 1597, 
    1565, 1586, 1577, 1595, 1594, 1593, 
    1591, 1590, 1589, 1588, 1587, 1579, 
    1585, 1584, 1514, 1583, 1582
  ) 
  AND cscart_product_review_prepared_data.storefront_id = 0

Query time 0.00049

JSON explain

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