SELECT 
  tmall_products.* 
FROM 
  tmall_products 
WHERE 
  tmall_products.product_id IN (
    148, 149, 242, 243, 134, 135, 156, 154, 
    155, 133, 132, 146, 147, 145, 157, 153, 
    140, 141
  )

Query time 0.00939

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost": 0.03187741,
    "nested_loop": [
      {
        "table": {
          "table_name": "tmall_products",
          "access_type": "range",
          "possible_keys": ["PRIMARY"],
          "key": "PRIMARY",
          "key_length": "3",
          "used_key_parts": ["product_id"],
          "loops": 1,
          "rows": 18,
          "cost": 0.03187741,
          "filtered": 100,
          "index_condition": "tmall_products.product_id in (148,149,242,243,134,135,156,154,155,133,132,146,147,145,157,153,140,141)"
        }
      }
    ]
  }
}