php-fpm nginx 504 Gateway Timeout error

config_note

Edit
vim /etc/nginx/sites-available/example.com

location ~ \.php$ {
	...
	fastcgi_read_timeout 300; # Add this line
	...
}

Edit
sudo vim /etc/php5/fpm/pool.d/www.conf

Set
request_terminate_timeout = 300

Restart/Reload 
sudo service php5-fpm restart
sudo service nginx reload