UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '2uEGgx+waNujiunlfiU7vnPFvOdsjeSPJAEBDx+FoYw=' 
WHERE 
  key_id = '76f31964590f19b46acb099aa16d5bb6d5a1661ed61f336ffb4dc12ab6a9f8c2' 
  AND (
    token = '2uEGgx+waNujiunlfiU7vnPFvOdsjeSPJAEBDx+FoYw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )