UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KH99uQfKa6biWpCVwxXLgNElgCbGwbdRxU52cYsS8Go=' 
WHERE 
  key_id = '495294fb0d649de860f3f939482d916fa43a807f0bb0bc2773e1d8699d15fbd6' 
  AND (
    token = 'KH99uQfKa6biWpCVwxXLgNElgCbGwbdRxU52cYsS8Go=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )