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 (
    114, 115, 116, 117, 210, 211, 212, 213, 
    214, 215, 216, 217, 218, 219, 220, 221, 
    222, 223, 278, 279, 280, 281, 282, 283, 
    284, 332, 333, 334, 335, 336, 337, 3915, 
    3916, 3917, 3918, 3919, 3920, 3921, 
    3968, 3969, 3970, 3971, 3972, 3973, 
    3974, 4020, 4021, 4022
  ) 
  AND cscart_product_review_prepared_data.storefront_id = 0

Query time 0.00031

JSON explain

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