UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'D7rEofrH0XMRW93P1iWMtIb6oxILXNWZmn+DlydLj+8=' 
WHERE 
  key_id = '47e94601e4a41b9e4dba505ea3be81c7e69ad1605b516768a250d67b90fb11e7' 
  AND (
    token = 'D7rEofrH0XMRW93P1iWMtIb6oxILXNWZmn+DlydLj+8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )