UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RD7Y++9vUJ4f68bQSMNsPmQNx5uQhzQnGbwfNheKaHk=' 
WHERE 
  key_id = '18a3f13fc8f5583362cf4093fe3042c933dae4e6de198148961ad668f1ad781a' 
  AND (
    token = 'RD7Y++9vUJ4f68bQSMNsPmQNx5uQhzQnGbwfNheKaHk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )