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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 (
    6957, 6956, 6954, 6955, 3500, 3501, 3431, 
    6948, 3499, 3914, 3913, 3455, 3466, 
    3454, 3456, 3449, 3461, 3441, 3444, 
    3471, 3442, 3480, 3448, 3440
  ) 
  AND cscart_product_review_prepared_data.storefront_id = 0

Query time 0.00044

JSON explain

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