lua-redisGet key TTL

local redis = (require 'redis').connect('127.0.0.1', 6379)
local expires_in = redis:ttl('key')ctrl + cyoutubegithub

`require 'redis'` load Redis module for Lua	`connect` connect to Redis server
`'127.0.0.1', 6379` Redis host and port to connect to	`:ttl` returns seconds it'll take specified key to expire (or `-1` if it's not expirable)
`'key'` name of the key to get expiration second for

local redis = (require 'redis').connect('127.0.0.1', 6379)
redis:expire('key', 60)
print(redis:ttl('key'))