UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MDz5pV6wwIw/LU16JFatGjIjWRnjtFNvVJ/hRjs6HtA=' 
WHERE 
  key_id = 'bf6e1e8f50557ac053ff6133ef1e8a384836baa66b9b6d29211a17489b19d610' 
  AND (
    token = 'MDz5pV6wwIw/LU16JFatGjIjWRnjtFNvVJ/hRjs6HtA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )