/**
* Filter collection by created at date older than specified seconds before now
*
* @param int $secondsBeforeNow
* @return $this
*/
public function addCreatedAtBeforeFilter($secondsBeforeNow)
{
$datetime = new \DateTime('now', new \DateTimeZone('UTC'));
$storeInterval = new \DateInterval('PT' . $secondsBeforeNow . 'S');
$datetime->sub($storeInterval);
$formattedDate = $this->dateTime->formatDate($datetime->getTimestamp());
$this->addFieldToFilter(Log::CREATED_AT_FIELD_NAME, ['lt' => $formattedDate]);
return $this;
}