gistfile1.rb

def quoted_date(value)
  if value.acts_like?(:time) && value.respond_to?(:usec)
    begin
      "#{value.getutc.to_s(:db)}.#{sprintf("%06d", value.usec)} #{value.formatted_offset}"
    rescue
      "#{super}.#{sprintf("%06d", value.usec)}"
    end
  else
    super
  end
end

AccessKey expired

I don't understand. AccessKey for what? The link to the original patch I posted?

By the way, here is my final revision to your (this) gist: http://gist.github.com/574080