SELECT 
  tconnect_products.* 
FROM 
  tconnect_products 
WHERE 
  tconnect_products.product_id IN (214, 217, 218, 247, 244)

Query time 0.00114

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost": 0.009400072,
    "nested_loop": [
      {
        "table": {
          "table_name": "tconnect_products",
          "access_type": "range",
          "possible_keys": ["PRIMARY"],
          "key": "PRIMARY",
          "key_length": "3",
          "used_key_parts": ["product_id"],
          "loops": 1,
          "rows": 5,
          "cost": 0.009400072,
          "filtered": 100,
          "index_condition": "tconnect_products.product_id in (214,217,218,247,244)"
        }
      }
    ]
  }
}