Query: kms_keys_for_dynamodb_table

select
  sse_description ->> 'KMSMasterKeyArn' as key_arn
from
  aws_dynamodb_table
where
  sse_description is not null
  and arn = $1
  and region = split_part($1, ':', 4)
  and account_id = split_part($1, ':', 5);