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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 (
    6710, 1721, 1722, 1723, 1724, 1725, 1726, 
    1727, 1728, 1729, 1730, 1731, 1732, 
    1733, 1734, 1735, 1736, 1737, 1738, 
    1739, 1740, 1741, 1742, 1743, 1744, 
    1745, 1746, 1747, 1748, 1749, 1750, 
    1751, 1752, 1753, 1754, 1755, 1756, 
    1757, 1758, 1759, 1760, 1761, 1762, 
    1763, 1764, 1766, 1767, 1768
  ) 
  AND cscart_product_review_prepared_data.storefront_id = 0

Query time 0.00026

JSON explain

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