Schema Mismatch

The schema module is reporting a table for which the schema and database are different under password_policy in numerous places with lots of unexpected columns:

column name - difference on: length
declared: array('description' => 'TODO: please describe this field!', 'type' => 'varchar', 'length' => '255', 'not null' => TRUE, 'default' => '')
actual: array('description' => 'The name of the policy.', 'type' => 'varchar', 'length' => '64', 'not null' => TRUE, 'default' => '')
config: not in database
pid: unexpected column in database
description: unexpected column in database
enabled: unexpected column in database
policy: unexpected column in database
created: unexpected column in database
expiration: unexpected column in database
warning: unexpected column in database
weight: unexpected column in database
primary key:
declared: array('name')
actual: array('pid')
unique keys name: unexpected (not an error)