SELECT 
  company_id, 
  storefront, 
  secure_storefront 
FROM 
  cscart_companies 
WHERE 
  company_id = 1

Query time 0.00010

JSON explain

{
  "query_block": {
    "select_id": 1,
    "nested_loop": [
      {
        "table": {
          "table_name": "cscart_companies",
          "access_type": "system",
          "possible_keys": ["PRIMARY"],
          "rows": 1,
          "filtered": 100
        }
      }
    ]
  }
}