Allow remote MySQL access

Login to SSH and then MySQL (mysql -u root -p). 

Execute following after replacing DATABASE, USERNAME and PASSWORD

For IPv4 (required)

GRANT ALL PRIVILEGES ON DATABASE.* TO 'USERNAME'@'149.56.201.230' IDENTIFIED BY 'PASSWORD' WITH GRANT OPTION;

You may also need to comment out following line in mysql config file.

In file 
/etc/mysql/my.cnf or /etc/mysql/mysql.conf.d/mysqld.cnf

Comment out following line from 
bind-address = 127.0.0.1
to 
#bind-address = 127.0.0.1

Once it's done you need to restart MySQL server by:
service mysql restart