UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UhzeobseBmkz6mzRVDCBUpqcjbC3mHgfYilMfon09DI=' 
WHERE 
  key_id = 'a30bd0e5f42e55127feaea01065f5072eb40a19a634566a9afc196b4e93ff698' 
  AND (
    token = 'UhzeobseBmkz6mzRVDCBUpqcjbC3mHgfYilMfon09DI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )