How to Install php-mcrypt on Plesk 10.3 / CentOS-6 / PHP5.3.3

yum repolist

-----------------------------------
repo id repo name status
base CentOS-6 - Base 6.346
elrepo ELRepo.org Community Enterprise Linux Repository - el6 223
epel Extra Packages for Enterprise Linux 6 - x86_64 8.351
extras CentOS-6 - Extras 17
plesk103-base Plesk 10.3 - Base 99
plesk103-thirdparty Plesk 10.3 - Thirdparty 3
plesk103-updates Plesk 10.3 - Updates 0
updates CentOS-6 - Updates 1.185
repolist: 16.224
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rpm -ivh http://dl.fedoraproject.org/pub/epel/6/x86_64/epel-release-6-8.noarch.rpm
yum update
yum install php-mcrypt

some times enter 'y' 

service httpd restart

finish, its works!