code: protected void refreshTTL(String key, CacheEntry ce) {
          final String KEY = calcCacheKey(key);
          final long TTL = ce.getExpireAfterAccess();
          try (ShardedJedis jedis = getJedis()) {
              if (TTL > 0) {
                  if (keyMode == KeyMode.HASH) {
                      jedis.expire(getName(), (int) TTL);
                  } else {
                      jedis.expire(SafeEncoder.encode(KEY), (int) TTL);
                  }
              }
          } catch (Exception e) {
              throw e instanceof CacheException ? (CacheException) e : new CacheException(e);
          }
      }
docs: Refresh TTL of a cache entry.
  
  @param key
  @param ce
  @since 0.6.2