UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DYzHXM27gCFrT4b+1a7UaK/IZihx6OPJSJOelJiL7+E=' 
WHERE 
  key_id = '20fc337b6c19de4c86877425e6f86c3581998ce47849a253e3eb75af0432efd8' 
  AND (
    token = 'DYzHXM27gCFrT4b+1a7UaK/IZihx6OPJSJOelJiL7+E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )