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 (
    286, 278, 280, 282, 247, 248, 241, 244, 
    245, 246, 240, 6, 66, 166, 214, 219, 221, 
    223, 192, 194, 195, 196, 197, 198, 199, 
    200, 201, 202, 203, 204, 205, 206, 207, 
    208, 209, 210, 211, 212, 213, 215, 217, 
    218, 220, 222, 224, 225, 226, 227, 228, 
    229, 230, 231, 232, 233, 234, 235, 236, 
    237, 238, 239, 242, 243, 78, 79, 80, 81, 
    82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 
    92, 93, 94, 95, 96, 97, 100, 101, 102, 
    103, 104, 105, 106, 107, 108, 109, 110, 
    111, 112, 113
  ) 
  AND cscart_product_review_prepared_data.storefront_id = 0

Query time 0.00043

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "12.56"
    },
    "table": {
      "table_name": "cscart_product_review_prepared_data",
      "access_type": "ALL",
      "possible_keys": [
        "PRIMARY"
      ],
      "rows_examined_per_scan": 52,
      "rows_produced_per_join": 52,
      "filtered": "100.00",
      "cost_info": {
        "read_cost": "2.17",
        "eval_cost": "10.40",
        "prefix_cost": "12.57",
        "data_read_per_join": "832"
      },
      "used_columns": [
        "product_id",
        "storefront_id",
        "average_rating",
        "reviews_count"
      ],
      "attached_condition": "((`atulecarter_new_april_setup`.`cscart_product_review_prepared_data`.`storefront_id` = 0) and (`atulecarter_new_april_setup`.`cscart_product_review_prepared_data`.`product_id` in (286,278,280,282,247,248,241,244,245,246,240,6,66,166,214,219,221,223,192,194,195,196,197,198,199,200,201,202,203,204,205,206,207,208,209,210,211,212,213,215,217,218,220,222,224,225,226,227,228,229,230,231,232,233,234,235,236,237,238,239,242,243,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,100,101,102,103,104,105,106,107,108,109,110,111,112,113)))"
    }
  }
}

Result

product_id average_rating reviews_count
228 3.00 2
242 3.50 2
78 4.00 1
224 4.50 2
238 4.00 1
239 3.00 1
244 4.33 3
245 4.67 3
246 5.00 3
247 2.67 3
248 4.33 3
241 5.00 3
280 5.00 1
282 3.50 2