+# mysql
+# create table account (
+# id int auto_increment,
+# token char(128) unique not null,
+# cipher blob not null,
+# primary key (id));
+#
+# postgresql
+# create table account (
+# id serial,
+# token char(128) unique not null,
+# cipher bytea not null,
+# primary key (id));
+
+import base64