how to move a method from frontground to background that using resque-scheduler

ActiveAdmin.register Link do

  member_action :scan, method: :get do 
    resource.scan_jobs #  => Resque.enqueue_at( 1.minute.from_now, resource.scan_jobs ) ?

    redirect_to  '/', notice: "Scan!"
  end

  index do 
    selectable_column
    Link.column_names.each do |field|
      column field.to_sym
    end

    actions do |resource|
      link_to 'Scan',  scan_admin_link_path(resource)
    end
  end
end