UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '7flg3up2d6cXJSFU1E1xnxVODt3zf9wETQ65Z09ZLVA=' 
WHERE 
  key_id = 'a2662eb65fd0cb7af21ae3e6cc61eda641f364c63c39b1e7f08f0a6d64c7df15' 
  AND (
    token = '7flg3up2d6cXJSFU1E1xnxVODt3zf9wETQ65Z09ZLVA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )