UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'OI5ync/PFiqJO29p8Zy6Gwvx4GvfD28MaOa1qhk6fc8=' 
WHERE 
  key_id = '4c1516c50cf418f72a965351c19f6804cc06fed94c8820d904ab27e8990d92d1' 
  AND (
    token = 'OI5ync/PFiqJO29p8Zy6Gwvx4GvfD28MaOa1qhk6fc8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )