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# EXPIRE

> Sets a timeout on key. The key will automatically be deleted.

## Arguments

<ParamField body="key" type="str" required>
  The key to set the timeout on.
</ParamField>

<ParamField body="seconds" type="int | datetime.timedelta" required>
  The timeout in seconds as int or datetime.timedelta object
</ParamField>

<ParamField body="nx" type="bool">
  Set expiry only when the key has no expiry
</ParamField>

<ParamField body="xx" type="bool">
  Set expiry only when the key has an existing expiry
</ParamField>

<ParamField body="gt" type="bool">
  Set expiry only when the new expiry is greater than current one
</ParamField>

<ParamField body="lt" type="bool">
  Set expiry only when the new expiry is less than current one
</ParamField>

## Response

<ResponseField type="bool">
  `True` if the timeout was set
</ResponseField>

<RequestExample>
```py Example
# With seconds
redis.set("mykey", "Hello")
redis.expire("mykey", 5)

assert redis.get("mykey") == "Hello"

time.sleep(5)

assert redis.get("mykey") is None

# With a timedelta
redis.set("mykey", "Hello")
redis.expire("mykey", datetime.timedelta(seconds=5))
```
</RequestExample>