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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 (
    1867, 1721, 1145, 1891, 1202, 247, 296, 
    1218, 1765, 820, 1816, 1651, 1661, 255, 
    65, 1959, 1011, 1685, 1207, 1210, 1203, 
    1389, 1188, 1190
  ) 
  AND cscart_product_review_prepared_data.storefront_id = 0

Query time 0.00051

JSON explain

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