UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DHbHu0ZLr1L4XjWDFn9xjf1gPKMY0fdUWt1xzxbxlJI=' 
WHERE 
  key_id = 'eaa44e80b2992c546e874641d6385146346f57f011913d30b1f8ee270dab0ced' 
  AND (
    token = 'DHbHu0ZLr1L4XjWDFn9xjf1gPKMY0fdUWt1xzxbxlJI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )