[patch] delete expired value on load

[kpango]

No description provided.

[codecov]

Codecov Report

Merging #25 into master will decrease coverage by 0.83%.
The diff coverage is 0%.

@@            Coverage Diff            @@
##           master     #25      +/-   ##
=========================================
- Coverage    8.48%   7.65%   -0.84%     
=========================================
  Files           1       1              
  Lines         165     183      +18     
=========================================
  Hits           14      14              
- Misses        151     169      +18

Impacted Files	Coverage Δ
gache.go	7.65% <0%> (-0.84%)	⬇️

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