UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ajhU3oeBD9MicIN3zqC76znWxFg26RT+DzWQ2qK+I9o=' 
WHERE 
  key_id = '34c35b8c7e9f3ed8313561453bc7bb210fc58df02e2e2458ff02b4805af40a01' 
  AND (
    token = 'ajhU3oeBD9MicIN3zqC76znWxFg26RT+DzWQ2qK+I9o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )