UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'vxyS7CMEQQBsh5JZc94+XO0zgWZgxk6aZb91Wy04WGo=' 
WHERE 
  key_id = '1b968aea22d3a11e147a1dd3ff64a8e2e9ee2f93dc576afac04bbbb43859244a' 
  AND (
    token = 'vxyS7CMEQQBsh5JZc94+XO0zgWZgxk6aZb91Wy04WGo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )