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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 (
    3926, 3927, 3928, 3976, 3977, 3978, 3979, 
    3980, 3981, 3982, 4028, 4029, 4030, 
    4031, 4032, 4033, 4034, 4035, 4036, 
    4037, 4038, 4039, 4040, 4041, 4117, 
    4118, 4119, 4120, 4121, 4122, 4123, 
    4171, 4172, 4173, 4174, 4175, 4176, 
    50, 51, 52, 53, 54, 55, 56, 97, 98, 99, 
    100
  ) 
  AND cscart_product_review_prepared_data.storefront_id = 0

Query time 0.00022

JSON explain

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