Сессии не записываются в таблицу

//index.js
const Koa = require('koa');
const app = new Koa();
const session = require('koa-session');
const SequelizeStore = require('koa-session-sequelize');
const sequelize = require('../libs/sequelize');
 
let sessionStore = SequelizeStore.create(sequelize, {
  table: 'Sessions',
  model: 'Session'
});
 
app.use(session({
  signed: false,
  store: sessionStore
}, app));
 
const passport = require('koa-passport')
 
app.use(passport.initialize());
app.use(passport.session()); // ctx.state.user = user
 
const server = app.listen(config.get('server.port'), ()=>{
  console.log('App is running');
});

//Models/Session.js
const Sequelize = require('sequelize');
const sequelize = require('../libs/sequelize');
 
const Session = sequelize.define('Session', {
  sid: {
    type: Sequelize.STRING,
    primaryKey: true
  },
  expires: {
    type: Sequelize.DATE
  },
  data: {
    type: Sequelize.STRING(50000)
  }
},
{
  tableName: 'Sessions'
});
 
module.exports = Session;

//libs/sequelize.js
const Sequelize = require('sequelize');
 
const sequelize = new Sequelize('magaz', 'postgres', 'postgres', {
  host: 'localhost',
  dialect: 'postgres',
  operatorsAliases: false,
 
  pool: {
    max: 5,
    min: 0,
    acquire: 30000,
    idle: 10000
  },
  define: {
    timestamps: false
  },
});
 
module.exports = sequelize;