UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gw6BhPINYYSi4rqFkRbs6ZoUXOgHGbTDQ+ntwDrC6zI=' 
WHERE 
  key_id = '2520a1f486c10ef48c9045af1e2225d936a73075b911ecd274cb37b55f68ee05' 
  AND (
    token = 'gw6BhPINYYSi4rqFkRbs6ZoUXOgHGbTDQ+ntwDrC6zI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )