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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 (
    1720, 1719, 1718, 1717, 1716, 1715, 1714, 
    1713, 1711, 1710, 1709, 1708, 1707, 
    1706, 1705, 1704, 1703, 1702, 1701, 
    1700, 1699, 1698, 1697, 1696
  ) 
  AND cscart_product_review_prepared_data.storefront_id = 0

Query time 0.00053

JSON explain

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