UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'SaWSfuI7bIZzlTAyNNfIUeCP5DwhpD1HSCQhxe2MeDU=' 
WHERE 
  key_id = 'a6f3d4de7efd703dbc23e4884276e62b666a394f13ef90cf747e9f915d9ed526' 
  AND (
    token = 'SaWSfuI7bIZzlTAyNNfIUeCP5DwhpD1HSCQhxe2MeDU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )