UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+k2Nb/2dR0JeRGXIonV93qX3KSq4LUg1I+2bcIyJZOg=' 
WHERE 
  key_id = '63b392a84044576f1df901639ea5ebee2ad0ebd33773cfe0a4f55a6c1ecc11b0' 
  AND (
    token = '+k2Nb/2dR0JeRGXIonV93qX3KSq4LUg1I+2bcIyJZOg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )