That's what happens:

# LANG=C yum update mokutil
Loaded plugins: fastestmirror, langpacks, rpm-warm-cache
Loading mirror speeds from cached hostfile
 * elrepo: mirrors.coreix.net
 * epel: ftp.lysator.liu.se
 * sl: ftp.scientificlinux.org
 * sl-extras: ftp.scientificlinux.org
 * sl-fastbugs: ftp.scientificlinux.org
 * sl-security: ftp.scientificlinux.org
Resolving Dependencies
--> Running transaction check
---> Package mokutil.x86_64 0:0.7-5.el7 will be updated
--> Processing Dependency: mokutil = 0.7-5.el7 for package: shim-0.7-5.2.sl7.1.x86_64
---> Package mokutil.x86_64 0:0.7-8.el7_0 will be an update
--> Finished Dependency Resolution
Error: Package: shim-0.7-5.2.sl7.1.x86_64 (@anaconda/7)
           Requires: mokutil = 0.7-5.el7
           Removing: mokutil-0.7-5.el7.x86_64 (@anaconda/7)
               mokutil = 0.7-5.el7
           Updated By: mokutil-0.7-8.el7_0.x86_64 (sl-fastbugs)
               mokutil = 0.7-8.el7_0
 You could try using --skip-broken to work around the problem
 You could try running: rpm -Va --nofiles --nodigest

-- 

Vladimir