Update retry-staleness dynamics and error handling for locks

[NeuralFlux]

linked to biothings/biothings_explorer#896

• Increased staleness time to be higher than retry timeout just in case locks aren't released after they turn stale
• Throw error if lock cannot be obtained
• Try releasing locks one by one and fail gracefully

[codecov]

Codecov Report

Attention: Patch coverage is 16.66667% with 5 lines in your changes missing coverage. Please review.

Project coverage is 50.88%. Comparing base (55c6640) to head (489432a).
Report is 3 commits behind head on main.

Files with missing lines	Patch %	Lines
src/misc.ts	16.66%	5 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main       #9      +/-   ##
==========================================
- Coverage   51.43%   50.88%   -0.55%     
==========================================
  Files           5        5              
  Lines         278      281       +3     
  Branches       41       41              
==========================================
  Hits          143      143              
- Misses        130      133       +3     
  Partials        5        5              

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