fix broken expired method

filed/src/db.rs

@@ -9,4 +9,4 @@ use crate::env::Env;
 pub fn redis_conn(env: Env) -> Result<Client, RedisError> {
     log::info!("Connecting to redis DB on {}", env.redis.host);
     redis::Client::open(format!("redis://:{}@{}:{}/", env.redis.pass, env.redis.host, env.redis.port))
-}
+}

janitor/src/file.rs

@@ -14,6 +14,6 @@ pub struct File {
 
 impl File {
     pub fn expired(self: &Self) -> bool {
-        self.delete_at > chrono::Local::now()
+        self.delete_at < chrono::Local::now()
     }
 }