SELECT 
  product_id, 
  amount 
FROM 
  cscart_warehouses_sum_products_amount 
WHERE 
  1 
  AND product_id IN (193, 224, 160, 820, 169, 200)

Query time 0.00014

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost": 0.00676251,
    "nested_loop": [
      {
        "table": {
          "table_name": "cscart_warehouses_sum_products_amount",
          "access_type": "range",
          "possible_keys": ["PRIMARY"],
          "key": "PRIMARY",
          "key_length": "3",
          "used_key_parts": ["product_id"],
          "loops": 1,
          "rows": 1,
          "cost": 0.00676251,
          "filtered": 100,
          "attached_condition": "cscart_warehouses_sum_products_amount.product_id in (193,224,160,820,169,200)"
        }
      }
    ]
  }
}