 		accessToken	<- map["access_token"]
 		tokenType	<- map["token_type"]
 		createdAt	<- (map["created_at"], DateTransform())
-		expiresIn	<- (map["expires_in"], TransformOf<TimeInterval, Int>(fromJSON: { TimeInterval($0! / 1000) }, toJSON: { Int($0!) * 1000 }))
+		expiresIn	<- map["expires_in"]
+		refreshToken <- map["refresh_token"]
 	}
 }
 

		}
	}
	
	
	// MARK: Mappable protocol
	required public init?(map: Map) {

	var tokenType: String?
	var createdAt: Date? = Date()
	var expiresIn: TimeInterval?
	var refreshToken: String?
	
	open var isValid: Bool {
		if let createdAt = createdAt, let expiresIn = expiresIn {
