EXPIRE
Sets a key's remaining lifetime in seconds.
Keys & expiration · Example verified
Syntax covered here
EXPIRE key secondsPTTL verifies a positive remaining lifetime afterward; expiry applies to the whole key.
Tested example & replies
Requests below run in order against an empty database. Each connection authenticates with the fixture password first. Quoted values are strings; null is a nil reply; arrays preserve RESP order.
# connection: default
> SET sample value
"OK"
# connection: default
> EXPIRE sample 60
1
# connection: default
> PTTL sample
60000