That does NOT help me understand what you want. I can't see your screen, I have no idea what datatypes are in your table, I have no idea what values are in the columns. In short, without ddl and sample data I am shooting in the dark at unknown targets for an unknown reason. The fact that I was able to come close in a previous post was mostly dumb luck.
Add to that the strange syntax you keep throwing.
< { fn NOW() } - 80)
That is NOT t-sql and I am not sure what it really is. I am also pretty sure it is not accurate because if you store the timestamp you are missing a portion of the day.
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