const updateTTLForItem = (partitionKey, sortKey) => {
  const expirationDate = new Date()
  expirationDate.setHours(expirationDate.getHours() + 7 * 24)
  const ttlEpochTime = Math.round(expirationDate.getTime() / 1000)
  const params = {
    ExpressionAttributeNames: {
      "#TTL": "ttl",
    },
    ExpressionAttributeValues: {
      ":ttl": {
        N: ttlEpochTime.toString(),
      },
    },
    Key: {
      "Device_Browser": {
        S: partitionKey,
      },
      "URL": {
        S: sortKey,
      },
    },
    ReturnValues: "ALL_NEW",
    TableName: "dex-v6-items-new",
    UpdateExpression: "SET #TTL = :ttl",
  }
  dynamodb.updateItem(
    params,
    (err, data) => {
      if (err) {
        console.log(err, err.stack)
      } else {
        console.log(data)
      }
    }
  )
}