UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'wYRVZa4AY/lCS7UDMO91uuqO3zNY3hbvSbQFs+OTCYA=' 
WHERE 
  key_id = 'd21e541ac7a2842364b88d47c97d7186f7a9a3d6fd0234c2ea93e71674536870' 
  AND (
    token = 'wYRVZa4AY/lCS7UDMO91uuqO3zNY3hbvSbQFs+OTCYA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )