UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ZwwVnXXKkxnB6WkBAx+axYgCCVKoz5Z2EUJQKmyDICw=' 
WHERE 
  key_id = '531075c7e4bbd0085d06b21656e2f7ea963215a29e6ee82f7295f7cbce1d0f44' 
  AND (
    token = 'ZwwVnXXKkxnB6WkBAx+axYgCCVKoz5Z2EUJQKmyDICw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )