presto-cassandra/src/main/java/io/prestosql/plugin/cassandra/CassandraSplitManager.java/CassandraSplitManager/buildTokenCondition
class CassandraSplitManager:    private static String buildTokenCondition(String tokenExpression, String startToken, String endToken)
    {
        return tokenExpression + " > " + startToken + " AND " + tokenExpression + " <= " + endToken;
    }