UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DPWtq3ZvQW95FVI+V0UVRZH/2FXF1B3cPZg0gs1xP/4=' 
WHERE 
  key_id = '81f325dcb70030c6684ce5d5377e72605ecac3843b173cd9e1e9d4b435af47ee' 
  AND (
    token = 'DPWtq3ZvQW95FVI+V0UVRZH/2FXF1B3cPZg0gs1xP/4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )