SELECT 
  cscart_products.* 
FROM 
  cscart_products 
WHERE 
  cscart_products.product_id IN (
    25180, 4071, 3004, 294, 4515, 5581, 47603, 
    48844, 6367, 4500, 4269, 4270, 6557, 
    3669, 1750, 1041, 35188, 25850, 4073, 
    46715, 35859, 2457, 3975, 2257, 2019, 
    4070, 4263, 46749, 47278, 39612, 18748, 
    788
  )

Query time 0.00201

JSON explain

{
  "query_block": {
    "select_id": 1,
    "nested_loop": [
      {
        "table": {
          "table_name": "cscart_products",
          "access_type": "range",
          "possible_keys": ["PRIMARY"],
          "key": "PRIMARY",
          "key_length": "3",
          "used_key_parts": ["product_id"],
          "rows": 32,
          "filtered": 100,
          "index_condition": "cscart_products.product_id in (25180,4071,3004,294,4515,5581,47603,48844,6367,4500,4269,4270,6557,3669,1750,1041,35188,25850,4073,46715,35859,2457,3975,2257,2019,4070,4263,46749,47278,39612,18748,788)"
        }
      }
    ]
  }
}