UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RLfI0mcEijB59tIT0444kXFqfsNWStB5Sl/VXtD0c8w=' 
WHERE 
  key_id = '4e75b81fee21e97cd9d3d4b40232d92abddd35f9be29886f60e69e4e046fe882' 
  AND (
    token = 'RLfI0mcEijB59tIT0444kXFqfsNWStB5Sl/VXtD0c8w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )