UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/A+Cw6RyP5lD3V9nZWG9RWGFxJpcPQNhWCk03oI5Lus=' 
WHERE 
  key_id = '821baf2087397070ef5d07d8f99e431cd3cdec71debf9afc2102ece518310b65' 
  AND (
    token = '/A+Cw6RyP5lD3V9nZWG9RWGFxJpcPQNhWCk03oI5Lus=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )