UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'fAM8W09rGoGXlgaen3tRhUXjqPd8fpN0SkRYoqHuYSI=' 
WHERE 
  key_id = '35ecead4a2765bb5149ed848cf7738a3912844d9020cd6c0bfa00783776917b4' 
  AND (
    token = 'fAM8W09rGoGXlgaen3tRhUXjqPd8fpN0SkRYoqHuYSI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )