The PEXPIREAT command supports a set of options since Redis 7.0:
NX-- Set expiry only when the key has no expiry
XX-- Set expiry only when the key has an existing expiry
GT-- Set expiry only when the new expiry is greater than current one
LT-- Set expiry only when the new expiry is less than current one
A non-volatile key is treated as an infinite TTL for the purpose of
NX options are mutually exclusive.
Integer reply, specifically:
1if the timeout was set.
0if the timeout was not set. e.g. key doesn't exist, or operation skipped due to the provided arguments.
redis> SET mykey "Hello"
"OK"redis> PEXPIREAT mykey 1555555555005
(integer) 1redis> TTL mykey
(integer) -2redis> PTTL mykey
>= 7.0: Added options: