Here how it developed and how i managed to get my funds back:

I contacted Alex Bosworth through yalls, he then informed me that LND automatically keeps a channel.backup UPON pending open transactions at the following directory:

.lnd/data/chain/bitcoin/mainnet/

The process is automatic and you dont have to press a button to this backup work!

I perfomed the lncli restorechanbackup and voila, pending close 5 channels and got my funds back!

If that automatic backup wouldnt be created id probably lose those funds forever!

Thank you for all efforts related to this posts!!