diff --git a/bot/cmdClient b/bot/cmdClient
index 75410acc..6eb42690 160000
--- a/bot/cmdClient
+++ b/bot/cmdClient
@@ -1 +1 @@
-Subproject commit 75410acc120b456ff315ff468357b6fb22a0a406
+Subproject commit 6eb426903423d6be8439621eb0b906aa94957efd
diff --git a/bot/core/data.py b/bot/core/data.py
index cd3f850b..013339b8 100644
--- a/bot/core/data.py
+++ b/bot/core/data.py
@@ -57,7 +57,7 @@ lion_ranks = Table('member_ranks', attach_as='lion_ranks')
 def add_pending(pending):
     """
     pending:
-        List of tuples of the form `(userid, pending_coins, pending_time)`.
+        List of tuples of the form `(guildid, userid, pending_coins)`.
     """
     with lions.conn:
         cursor = lions.conn.cursor()
@@ -66,12 +66,11 @@ def add_pending(pending):
             """
             UPDATE members
             SET
-                coins = coins + t.coin_diff,
-                tracked_time = tracked_time + t.time_diff
+                coins = coins + t.coin_diff
             FROM
                 (VALUES %s)
             AS
-                t (guildid, userid, coin_diff, time_diff)
+                t (guildid, userid, coin_diff)
             WHERE
                 members.guildid = t.guildid
                 AND
diff --git a/bot/core/lion.py b/bot/core/lion.py
index 15bed9e0..c803cff8 100644
--- a/bot/core/lion.py
+++ b/bot/core/lion.py
@@ -12,7 +12,7 @@ class Lion:
     Mostly acts as a transparent interface to the corresponding Row,
     but also adds some transaction caching logic to `coins` and `tracked_time`.
     """
-    __slots__ = ('guildid', 'userid', '_pending_coins', '_pending_time', '_member')
+    __slots__ = ('guildid', 'userid', '_pending_coins', '_member')
 
     # Members with pending transactions
     _pending = {}  # userid -> User
@@ -25,7 +25,6 @@ class Lion:
         self.userid = userid
 
         self._pending_coins = 0
-        self._pending_time = 0
 
         self._member = None
 
@@ -93,16 +92,33 @@ class Lion:
     @property
     def time(self):
         """
-        Amount of time the user has spent studying, accounting for pending values.
+        Amount of time the user has spent studying, accounting for a current session.
         """
-        return int(self.data.tracked_time + self._pending_time)
+        # Base time from cached member data
+        time = self.data.tracked_time
+
+        # Add current session time if it exists
+        if session := self.session:
+            time += session.duration
+
+        return int(time)
 
     @property
     def coins(self):
         """
-        Number of coins the user has, accounting for the pending value.
+        Number of coins the user has, accounting for the pending value and current session.
         """
-        return int(self.data.coins + self._pending_coins)
+        # Base coin amount from cached member data
+        coins = self.data.coins
+
+        # Add pending coin amount
+        coins += self._pending_coins
+
+        # Add current session coins if applicable
+        if session := self.session:
+            coins += session.coins_earned
+
+        return int(coins)
 
     @property
     def session(self):
@@ -176,15 +192,6 @@ class Lion:
         if flush:
             self.flush()
 
-    def addTime(self, amount, flush=True):
-        """
-        Add time to a user (in seconds), optionally storing the transaction in pending.
-        """
-        self._pending_time += amount
-        self._pending[self.key] = self
-        if flush:
-            self.flush()
-
     def flush(self):
         """
         Flush any pending transactions to the database.
@@ -202,7 +209,7 @@ class Lion:
         if lions:
             # Build userid to pending coin map
             pending = [
-                (lion.guildid, lion.userid, int(lion._pending_coins), int(lion._pending_time))
+                (lion.guildid, lion.userid, int(lion._pending_coins))
                 for lion in lions
             ]
 
@@ -212,5 +219,4 @@ class Lion:
             # Cleanup pending users
             for lion in lions:
                 lion._pending_coins -= int(lion._pending_coins)
-                lion._pending_time -= int(lion._pending_time)
                 cls._pending.pop(lion.key, None)
diff --git a/bot/modules/study/tracking/session_tracker.py b/bot/modules/study/tracking/session_tracker.py
index 24ffde49..24187f17 100644
--- a/bot/modules/study/tracking/session_tracker.py
+++ b/bot/modules/study/tracking/session_tracker.py
@@ -128,8 +128,31 @@ class Session:
 
     @property
     def data(self):
+        """
+        Row of the `current_sessions` table corresponding to this session.
+        """
         return current_sessions.fetch(self.key)
 
+    @property
+    def duration(self):
+        """
+        Current duration of the session.
+        """
+        return (utc_now() - self.data.start_time).total_seconds()
+
+    @property
+    def coins_earned(self):
+        """
+        Number of coins earned so far.
+        """
+        data = self.data
+
+        coins = self.duration * data.hourly_coins
+        coins += data.live_duration * data.hourly_live_coins
+        if data.live_start:
+            coins += (utc_now() - data.live_start).total_seconds() * data.hourly_live_coins
+        return coins // 3600
+
     def activate(self):
         """
         Activate the study session.