src/Jobs/BaseJob.php
public function heartbeat(array $data = []): float
    {
        try {
            $this->expires = $this->client->heartbeat(
                $this->jid,
                $this->worker,
                json_encode($data, JSON_UNESCAPED_SLASHES)
            );
        } catch (QlessException $e) {
            throw new LostLockException($e->getMessage(), 'Heartbeat', $this->jid, $e->getCode(), $e);
        }

        return $this->expires;
    }
public function heartbeat(array $data = []): float
    {
        try {
            $this->expires = $this->client->heartbeat(
                $this->jid,
                $this->worker,
                json_encode($data, JSON_UNESCAPED_SLASHES)
            );
        } catch (QlessException $e) {
            throw new LostLockException($e->getMessage(), 'Heartbeat', $this->jid, $e->getCode(), $e);
        }

        return $this->expires;
    }
Set the timestamp of the new heartbeat.

@param  array $data
@return float

@throws LostLockException