async function createApiKey(userId, scope) {
  const { apiKey, apiKeyHash } = await generateApiKey();

  const newSession = {
    user_id: userId,
    token_type: SESSION_TOKEN_TYPES.API_KEY,
    token_hash: apiKeyHash,
    scope: scope.join(','),
    valid_until: null,
  };

  const session = await db.Session.create(newSession);

  return {
    api_key: apiKey,
    session_id: session.id,
  };
}
@description Create and save in database a new API key.
@param {string} userId - The uuid of a user.
@param {Array} scope - Scope the api key is able to access.
@returns {Promise} Resolving with the api key.
@example
gladys.session.createApiKey('7144a75d-1ec2-4f31-a587-a4b316c28754', ['dashboard:write']);