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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 (
    6619, 6620, 6621, 6622, 2272, 2273, 2274, 
    2275, 2276, 2340, 2341, 2342, 2343, 
    2344, 2345, 2346, 2347, 2348, 2421, 
    2422, 2423, 2424, 2425, 2426, 2427, 
    2428, 2429, 2430, 2431, 2432, 2433, 
    2434, 2435, 2436, 2437, 2438, 2519, 
    2520, 2521, 2522, 2523, 2524, 2525, 
    2526, 2527, 2608, 2609, 2610
  ) 
  AND cscart_product_review_prepared_data.storefront_id = 0

Query time 0.00024

JSON explain

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