SELECT 
  product_id, 
  amount 
FROM 
  cscart_warehouses_sum_products_amount 
WHERE 
  1 
  AND product_id IN (
    51076, 51073, 51072, 51074, 51075, 22711, 
    22710, 51077, 51080, 51078, 51079, 
    51139, 51138, 51137, 51136, 51135, 
    40, 51144, 51143, 51142, 51141, 51140, 
    39, 51205, 51204, 51203, 51202, 125, 
    22, 17, 18, 106, 58, 57, 51345, 119, 5, 
    51349, 122, 65
  )

Query time 0.00082

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "46.91"
    },
    "table": {
      "table_name": "cscart_warehouses_sum_products_amount",
      "access_type": "range",
      "possible_keys": [
        "PRIMARY"
      ],
      "key": "PRIMARY",
      "used_key_parts": [
        "product_id"
      ],
      "key_length": "3",
      "rows_examined_per_scan": 82,
      "rows_produced_per_join": 82,
      "filtered": "100.00",
      "index_condition": "(`test_uchur_k`.`cscart_warehouses_sum_products_amount`.`product_id` in (51076,51073,51072,51074,51075,22711,22710,51077,51080,51078,51079,51139,51138,51137,51136,51135,40,51144,51143,51142,51141,51140,39,51205,51204,51203,51202,125,22,17,18,106,58,57,51345,119,5,51349,122,65))",
      "cost_info": {
        "read_cost": "38.71",
        "eval_cost": "8.20",
        "prefix_cost": "46.91",
        "data_read_per_join": "1K"
      },
      "used_columns": [
        "product_id",
        "amount"
      ]
    }
  }
}