UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'O5bzheMxve8RPod2leBULBA+m3Ey1KetFeLHI4iiJpg=' 
WHERE 
  key_id = '6fd6adab97f3ffb72e82d377efd281f395bab0b98e3baf822b26f883a7b46a25' 
  AND (
    token = 'O5bzheMxve8RPod2leBULBA+m3Ey1KetFeLHI4iiJpg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )