OptionalconditionOptionalexpressionDynamoDB Expression Attribute Names for Condition Expression
OptionalexpressionDynamoDB Expression Attribute Values for Condition Expression
OptionalttlAbsolute TTL value on record, if TTL attribute configured for table
OptionalttlSets TTL value on record with a relative value - now + number of days in the future
If the ttl attribute is set then this value is ignored
DynamoDB only guarantees TTL cleanup precision within a few days, so more precision here is unnecessary
DynamoDB Condition Expression