Sandbox

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 (
    6194, 6195, 2595, 2596, 2597, 2598, 6187, 
    6188, 6189, 6190, 2730, 2731, 2732, 
    2733, 2734, 6318, 6319, 6320, 6321, 
    2726, 2727, 2728, 2729, 6313, 6314, 
    6315, 6316, 6317, 1573, 1574, 1575, 
    1576, 1577, 1578, 1579, 1580, 1581, 
    1582, 1583, 1584, 1585, 1586, 1587, 
    1588, 1589, 1590, 1591, 1592
  ) 
  AND cscart_product_review_prepared_data.storefront_id = 0

Query time 0.00016

JSON explain

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