UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'dav76dsvlKRH1AqWCd/Rn3VGjnvt3VIvXYDoBHcIRGg=' 
WHERE 
  key_id = '987ca70ff65e0cafe8467e11310195768689f62d7480ba857f1659fadb148b56' 
  AND (
    token = 'dav76dsvlKRH1AqWCd/Rn3VGjnvt3VIvXYDoBHcIRGg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )