UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'u9Nq3dmiTJDjazDjtiVku3+tWsQ0G41cyDVDs7pcLPk=' 
WHERE 
  key_id = '4ef646e79ab7db8b208dda929351d637c0edee5c549b81f58020360b068a398c' 
  AND (
    token = 'u9Nq3dmiTJDjazDjtiVku3+tWsQ0G41cyDVDs7pcLPk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )