oauth2/oauth2-client/src/main/java/org/springframework/security/oauth2/client/oidc/authentication/OidcIdTokenValidator.java
public final void setClockSkew(Duration clockSkew) {
		Assert.notNull(clockSkew, "clockSkew cannot be null");
		Assert.isTrue(clockSkew.getSeconds() >= 0, "clockSkew must be >= 0");
		this.clockSkew = clockSkew;
	}
public final void setClockSkew(Duration clockSkew) {
		Assert.notNull(clockSkew, "clockSkew cannot be null");
		Assert.isTrue(clockSkew.getSeconds() >= 0, "clockSkew must be >= 0");
		this.clockSkew = clockSkew;
	}
Sets the maximum acceptable clock skew. The default is 60 seconds.
The clock skew is used when validating the {@link JwtClaimNames#EXP exp}
and {@link JwtClaimNames#IAT iat} claims.

@since 5.2
@param clockSkew the maximum acceptable clock skew