UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'GG+yuvi1OFvBAoYwxUgmHRdAZEYNurE9m9gat7tShtY=' 
WHERE 
  key_id = '821f34ad8426eda321a6483b291a3efa0c83f3d996eee89e775905310f348f32' 
  AND (
    token = 'GG+yuvi1OFvBAoYwxUgmHRdAZEYNurE9m9gat7tShtY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )