UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'n67kXgzmHgQhGeXnJ2LHrI09WQAIwsbT08rW/YUatEc=' 
WHERE 
  key_id = '3fff532c37fcf88d2bf25c722015a5e3482e39b550c7021742e972a56efa19d9' 
  AND (
    token = 'n67kXgzmHgQhGeXnJ2LHrI09WQAIwsbT08rW/YUatEc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )