bsf_time_since_last_versioncheck( int $hours_completed, string $option )

function bsf_time_since_last_versioncheck( $hours_completed, $option ) {

	$seconds = $hours_completed * HOUR_IN_SECONDS;
	$status  = false;

	$last_update_timestamp = (int) get_option( $option, false );

	if ( false !== $last_update_timestamp ) {

		// Find seconds passed since the last timestamp update (i.e. last request made).
		$elapsed_seconds = (int) current_time( 'timestamp' ) - $last_update_timestamp;

		// IF time is more than the required seconds allow a new HTTP request.
		if ( $elapsed_seconds > $seconds ) {
			$status = true;
		}
	} else {

		// If timestamp is not yet set - allow the HTTP request.
		$status = true;
	}

	return $status;
}