SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 1)
    Function toDateTime (alias t) (children 1)
     ExpressionList (children 1)
      Literal \'1970-01-01 00:00:01\'
   ExpressionList (children 1)
    Function in (children 1)
     ExpressionList (children 2)
      Function plus (children 1)
       ExpressionList (children 2)
        Function toDateTime64 (children 1)
         ExpressionList (children 2)
          Identifier t
          Literal UInt64_3
        Function toIntervalMillisecond (children 1)
         ExpressionList (children 1)
          Literal UInt64_100
      Function tuple (children 1)
       ExpressionList (children 2)
        Function now (children 1)
         ExpressionList
        Literal NULL
   Set
