UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PxkwbEG4X7jJAazoVrzHlkbsNsAXSgcw/o3JFE6K44Q=' 
WHERE 
  key_id = '76308c66f8d7fe43181c442370967f7042a781d7529e8a4146bfade7b6f1e57a' 
  AND (
    token = 'PxkwbEG4X7jJAazoVrzHlkbsNsAXSgcw/o3JFE6K44Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )