Replace string in all columns of a SQLite database using one simple query

Is it possible to replace a given string in all columns of a SQLite database using one simple query?

Let's say I have a table with the four columns name, age, income and friends:

+------+-----+--------+---------+
| name | age | income | friends |
+------+-----+--------+---------+
| John | 20  | 10     | 0       |
+------+-----+--------+---------+
| Jane | 25  | 20     | 0       |
+------+-----+--------+---------+
| June | 20  | 40     | 20      |
+------+-----+--------+---------+

And I want to replace all instances of "20" with "40" in the whole table using one simple query. Something like:

UPDATE table SET ALL-COLUMNS = 40 WHERE ALL-COLUMNS = 20

Is this possible to achieve using SQLite? Or do I have to create one query for each column?

UPDATE table SET age = 40 WHERE age = 20
UPDATE table SET income = 40 WHERE income = 20
UPDATE table SET friends = 40 WHERE friends = 20