diff --git a/README.md b/README.md
index 2d0dd6d..4190191 100644
--- a/README.md
+++ b/README.md
@@ -106,7 +106,7 @@ cashu info
 
 Returns:
 ```bash
-Version: 0.5.2
+Version: 0.5.3
 Debug: False
 Cashu dir: /home/user/.cashu
 Wallet: wallet
diff --git a/cashu/core/settings.py b/cashu/core/settings.py
index 689f85f..d2c8a97 100644
--- a/cashu/core/settings.py
+++ b/cashu/core/settings.py
@@ -53,4 +53,4 @@ LNBITS_ENDPOINT = env.str("LNBITS_ENDPOINT", default=None)
 LNBITS_KEY = env.str("LNBITS_KEY", default=None)
 
 MAX_ORDER = 64
-VERSION = "0.5.2"
+VERSION = "0.5.3"
diff --git a/cashu/mint/crud.py b/cashu/mint/crud.py
index e07d2f2..06ed9ee 100644
--- a/cashu/mint/crud.py
+++ b/cashu/mint/crud.py
@@ -1,3 +1,4 @@
+import time
 from typing import Any, List, Optional
 
 from cashu.core.base import Invoice, MintKeyset, Proof
@@ -168,9 +169,9 @@ async def store_keyset(
         (
             keyset.id,
             keyset.derivation_path,
-            keyset.valid_from or db.timestamp_now,
-            keyset.valid_to or db.timestamp_now,
-            keyset.first_seen or db.timestamp_now,
+            keyset.valid_from or int(time.time()),
+            keyset.valid_to or int(time.time()),
+            keyset.first_seen or int(time.time()),
             True,
             keyset.version,
         ),
diff --git a/cashu/wallet/crud.py b/cashu/wallet/crud.py
index 25a46f8..adfe5cb 100644
--- a/cashu/wallet/crud.py
+++ b/cashu/wallet/crud.py
@@ -198,9 +198,9 @@ async def store_keyset(
         (
             keyset.id,
             mint_url or keyset.mint_url,
-            keyset.valid_from,
-            keyset.valid_to,
-            keyset.first_seen,
+            keyset.valid_from or int(time.time()),
+            keyset.valid_to or int(time.time()),
+            keyset.first_seen or int(time.time()),
             True,
         ),
     )
diff --git a/pyproject.toml b/pyproject.toml
index 23b910d..899d68c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "cashu"
-version = "0.5.2"
+version = "0.5.3"
 description = "Ecash wallet and mint."
 authors = ["calle <callebtc@protonmail.com>"]
 license = "MIT"
diff --git a/setup.py b/setup.py
index 9c17c3a..f3a67b7 100644
--- a/setup.py
+++ b/setup.py
@@ -13,7 +13,7 @@ entry_points = {"console_scripts": ["cashu = cashu.wallet.cli:cli"]}
 
 setuptools.setup(
     name="cashu",
-    version="0.5.2",
+    version="0.5.3",
     description="Ecash wallet and mint with Bitcoin Lightning support",
     long_description=long_description,
     long_description_content_type="text/markdown",