UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'iua4Wln43tqcoQArIibzgwiOJp728s5bRVpE6OYHsLs=' 
WHERE 
  key_id = '6998bd4152864b6777677c3966c73981f0374967e576f865493b8ba9abaa7d6f' 
  AND (
    token = 'iua4Wln43tqcoQArIibzgwiOJp728s5bRVpE6OYHsLs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )