create table tokens (
  guid uuid not null,
  user ,
  masked_token text not null,
  description text,
  audit 
);
comment on table tokens is '
  A token gives a user access to the API.
';

comment on column tokens.guid is '
  Internal unique identifier for this token.
';
comment on column tokens.user is '
  The user to which this token belongs.
';
comment on column tokens.masked_token is '
  The masked from of the token.
';
comment on column tokens.description is '
  optional description to help the user manage the token.
';