gistfile1.txt

if($this->request->getVar('key') && $this->request->getVar('token')) {
  $key = $this->request->getVar('key');
  $token = $this->request->getVar('token');
} else if($this->request->isPOST()) {
  $key = $this->request->requestVar('Key');
  $token = $this->request->requestVar('Token');
}

if(!$key || !$token) {
// do something?
}

$memory = ContributorMaps_Data::get()->filter(array(
  'Unique_Key' => $key,
  'EditToken' => $token,
  'EditTokenExpires:GreaterThan' => date('Y-m-d')
))->First();
  
if(!$memory) {
  return $this->redirect($this->Link("?action=edit&status=2"));
}

            
$fields = new FieldList(