UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ttBdU+48W8QltiPSE9YKgbbu04TzjdhDujOTLlg3VjA=' 
WHERE 
  key_id = '3bce45641a39f9f0ef9ace8a3939d8c0ce5a69e3157eedad6a2adcd4a1955a3b' 
  AND (
    token = 'ttBdU+48W8QltiPSE9YKgbbu04TzjdhDujOTLlg3VjA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )