Backport of VAULT-4240 time.After() in a select statement can lead to memory leak into release/1.9.x (#14824)

* backport of commit 4ca1742f10b702265268a936942249f373a544a6

* backport of commit b7067500f381fca0d58af8203eb278050affe552
Co-authored-by: hamid ghaf <hamid@hashicorp.com>