Default [Q] Unlock bootloader with twrp installed?

I have twrp installed, and locked the bootloader. Now when I try oem unlock, it takes me to twrp, but doesn't unlock the bootloader. My touch screen doesn't work, so I am trying to install cwm, so I can use the volume and power buttons to navigate. I was trying to erase my data in bastboot. But after erasing userdata and cache, it now bootloops. Just want device wiped. Maybe reflash stock? Any help would be great! Thanks
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