UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '8JyL2+wEv+2KeIdMSmrS4sawTinbyfxtdXHtpkFb/rY=' 
WHERE 
  key_id = 'c20797b24a69dea743272359be4bb84e35f3774dffbafc39b0f6f1737bb0bb16' 
  AND (
    token = '8JyL2+wEv+2KeIdMSmrS4sawTinbyfxtdXHtpkFb/rY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )