Updated token renewal strategy to ask for a new token if the existing one expires in 60 sec (#134)

Author: Anatoli Kurtsevich

railib/credentials.py

@@ -40,8 +40,8 @@ def __init__(self, access_token: str, scope: str, expires_in: int, created_on: f
 
     def is_expired(self):
         return (
-            time.time() - self.created_on >= self.expires_in - 5
-        )  # anticipate token expiration by 5 seconds
+            time.time() - self.created_on >= self.expires_in - 60
+        )  # anticipate token expiration by 60 seconds
 
 
 # Represents OAuth client credentials.