Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '609e2d6faec6e7c893fc8975e2d768850b306ea7ffdfd4ba6d426926e3871bf9' 
  AND token = 'VOY0MbkMHExspoouoeUIKPf3am9vVipH3AHoUH85rn0=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00040

JSON explain

{
  "query_block": {
    "select_id": 1,
    "message": "no matching row in const table"
  }
}