UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nu3he4spTpKJaQfCHtx0P/Tp3nRmFCV92O3HiZykjAM=' 
WHERE 
  key_id = '6c171269f9a0d9fe45e3e41444d806bb6a94bb6288d5352fd5a33b473aee07ec' 
  AND (
    token = 'nu3he4spTpKJaQfCHtx0P/Tp3nRmFCV92O3HiZykjAM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )