UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WicD0QibMTG0GZ9+ipejqbu4o+yf0u/dMjgnjVvobY8=' 
WHERE 
  key_id = 'c081cf50983da42476deaae60746608e11e2183b381ec9047b958d0b342d495b' 
  AND (
    token = 'WicD0QibMTG0GZ9+ipejqbu4o+yf0u/dMjgnjVvobY8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )