diff --git a/bitcoinlib/db.py b/bitcoinlib/db.py
index 26bef1d2..8f26da69 100644
--- a/bitcoinlib/db.py
+++ b/bitcoinlib/db.py
@@ -159,12 +159,6 @@ class EncryptedBinary(TypeDecorator):
 
     cache_ok = True
     key, impl = _get_encryption_key(LargeBinary)
-    # if DATABASE_ENCRYPTION_ENABLED:
-    #     if not DB_FIELD_ENCRYPTION_KEY:
-    #         _logger.warning("Database encryption is enabled but value DB_FIELD_ENCRYPTION_KEY not found in "
-    #                         "environment. Please supply 32 bytes key as hexadecimal string.")
-    # if DB_FIELD_ENCRYPTION_KEY:
-    #     key = bytes().fromhex(DB_FIELD_ENCRYPTION_KEY)
 
     def process_bind_param(self, value, dialect):
         if value is None or self.key is None or not (DB_FIELD_ENCRYPTION_KEY or DB_FIELD_ENCRYPTION_PASSWORD):
@@ -182,16 +176,7 @@ class EncryptedString(TypeDecorator):
     FieldType for encrypted String storage using EAS encryption
     """
 
-    # impl = String
     cache_ok = True
-    # key = None
-    # if DATABASE_ENCRYPTION_ENABLED:
-    #     if not DB_FIELD_ENCRYPTION_KEY:
-    #         _logger.warning("Database encryption is enabled but value DB_FIELD_ENCRYPTION_KEY not found in "
-    #                         "environment. Please supply 32 bytes key as hexadecimal string.")
-    # if DB_FIELD_ENCRYPTION_KEY:
-    #     impl = LargeBinary
-    #     key = bytes().fromhex(DB_FIELD_ENCRYPTION_KEY)
     key, impl = _get_encryption_key(String)
 
     def process_bind_param(self, value, dialect):
@@ -204,6 +189,8 @@ def process_bind_param(self, value, dialect):
     def process_result_value(self, value, dialect):
         if value is None or self.key is None or not (DB_FIELD_ENCRYPTION_KEY or DB_FIELD_ENCRYPTION_PASSWORD):
             return value
+        if value.startswith('\\x'):
+            value = bytes.fromhex(value[2:])
         return aes_decrypt(value, self.key).decode('utf8')
 
 
@@ -306,7 +293,7 @@ class DbKey(Base):
     address_index = Column(BigInteger, doc="Index of address in HD key structure address level")
     public = Column(LargeBinary(65), index=True, doc="Bytes representation of public key")
     private = Column(EncryptedBinary(48), doc="Bytes representation of private key")
-    wif = Column(EncryptedString(128), index=True, doc="Public or private WIF (Wallet Import Format) representation")
+    wif = Column(EncryptedString(260), index=True, doc="Public or private WIF (Wallet Import Format) representation")
     compressed = Column(Boolean, default=True, doc="Is key compressed or not. Default is True")
     key_type = Column(String(10), default='bip32', doc="Type of key: single, bip32 or multisig. Default is bip32")
     address = Column(String(100), index=True,