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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 (
    1666, 1664, 1557, 1695, 1559, 1315, 1310, 
    1471, 1502, 86, 1504, 33, 1944, 1942, 
    1900, 1777, 1748, 1679, 1702, 1610, 
    1706, 1683, 1946, 1524
  ) 
  AND cscart_product_review_prepared_data.storefront_id = 0

Query time 0.00042

JSON explain

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