There is no spiritual qualification to praise and worship The Lord when you are in Christ. None. You are counted worthy. Paul wrote, in 2 Cor. 5:17 that if you are in Christ, you are a completely new creation. Not a repaired, glued together old creation. A new one that never existed before!
Of course, you should, “Walk worthy of your calling,” as Paul wrote (Ephesians 4:1), but one of the things we all struggle with is that we “judge ourselves unworthy” (Acts 13:46) and we don’t enter into worship because we think God still counts our sin against us.
Will you experience the natural consequences of sin? Yes.
Will you feel distance between you and God each time you willfully disobey? Yes.
But in Christ, you are still worthy.
“Feeling” worthy is a lie from Satan.
You may never feel worthy, because you aren’t…but Jesus is! Because of Him, you’re still worthy, even when you sin. That’s because your worthiness isn’t dependent on your actions, but on the actions of Jesus Christ.
Should you continue in your sin? “Certainly not!” as Paul wrote. (Romans 6:1-2)
But whenever you’re struggling with sin, Satan will use that “foothold” to try and drag you further away from the presence of God. Worship The Lord! His presence is transformative, healing, life-giving and powerful. And, because of that, Satan knows he’ll lose the war if you worship.