UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'NkDJM4mJu9hwLZprH/oaDx5AJAHA5VdxrQmeUKFeq8Y=' 
WHERE 
  key_id = '4c037d994eaad2c668ad74ff059996ad617e40c9176234907ae518d0c28de33b' 
  AND (
    token = 'NkDJM4mJu9hwLZprH/oaDx5AJAHA5VdxrQmeUKFeq8Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )