SELECT 
  cscart_products.* 
FROM 
  cscart_products 
WHERE 
  cscart_products.product_id IN (
    4712, 4502, 4729, 4698, 4724, 4691, 46176, 
    4684, 4490, 4688, 4508, 4498, 4690, 
    4719, 4504, 4700, 4692, 4519, 4510, 
    4696, 4735, 4495, 4687, 4505, 4694, 
    4731, 4501, 4506, 4693, 4497
  )

Query time 0.00162

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": 30,
          "filtered": 100,
          "index_condition": "cscart_products.product_id in (4712,4502,4729,4698,4724,4691,46176,4684,4490,4688,4508,4498,4690,4719,4504,4700,4692,4519,4510,4696,4735,4495,4687,4505,4694,4731,4501,4506,4693,4497)"
        }
      }
    ]
  }
}