UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'vk78gPUOlyZj/QZIUkr7RVPwjq1IRpiDOWdC9w8Escc=' 
WHERE 
  key_id = '8e254a6b6f9ca7f864dca20cae4574bc920bf2564de345e7fce7138dd6c324d5' 
  AND (
    token = 'vk78gPUOlyZj/QZIUkr7RVPwjq1IRpiDOWdC9w8Escc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )