* Fix sqs message retention logic * Apply lint to moto/sqs/models.py * Fix failed tests because of freezing time * Fix freezing time in test_publish_to_sqs_in_different_region
* Fix sqs message retention logic * Apply lint to moto/sqs/models.py * Fix failed tests because of freezing time * Fix freezing time in test_publish_to_sqs_in_different_region