Here is the code

INSERT OR REPLACE INTO FavoredReligions
(LeaderType, ReligionType)
VALUES ('LEADER_SUK_HADRIAN', 'RELIGION_HELLENISM');

UPDATE FavoredReligions
SET ReligionType = 'RELIGION_R5_IMPERIAL_CULT'
WHERE LeaderType = 'LEADER_SUK_HADRIAN'
AND EXISTS (SELECT * FROM Religions WHERE ReligionType = 'RELIGION_R5_IMPERIAL_CULT');