Release an item that the worker could not process, so another worker can come in and process it before the timeout expires.
$item:
boolean
Overrides DrupalQueueInterface::releaseItem
public function releaseItem($item) {
if (isset($this->queue[$item->item_id]) && $this->queue[$item->item_id]->expire != 0) {
$this->queue[$item->item_id]->expire = 0;
return TRUE;
}
return FALSE;
}