Default Help, My phone is Bricked

Hi people. I neen your help for booting my phone.

I had Stock 4.4.2, Moto X with camera update and Locked Bootloader, today I stupidly flashed a ROM 4.4.4, I know I have to be on UB, but I forgot it, it was an impulse. I got an error in the flashing, then I tried to flash my sbf Stock Version, but now it says Downgraded security something with gpt and I cannot flash anything, I mean starts flahsing but in boot.img it got stucked, please if someone tried the same and could help me please.

Thanks in advance.
iCerebro
Moto X - XT1058 ----> Stock