UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'JrDDLgJ2uzwmWVKkBuTlEdufjKFurQX0cMB/kRgkROg=' 
WHERE 
  key_id = '284b79b39557f7b5d7d0290137f6adf318068e28ab488a574bbd8df111f7b11d' 
  AND (
    token = 'JrDDLgJ2uzwmWVKkBuTlEdufjKFurQX0cMB/kRgkROg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )