UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '5lwf9BFfuDNNDIGvcGbSkFgxDLERgieAVp6zykTW+FY=' 
WHERE 
  key_id = '521fa40d2b41d3d4f1c676251e0a1c9670505dc14ef892e99a3eb526bf889735' 
  AND (
    token = '5lwf9BFfuDNNDIGvcGbSkFgxDLERgieAVp6zykTW+FY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )