UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'uxktlLqb3X5SfxhXZhkW7Q8/2MlmXzdzBNPcqsHkNik=' 
WHERE 
  key_id = '0a8b4136a561bbc9cadf179de100760824399e8b6d9f790b8a2565f9c9b6ccc9' 
  AND (
    token = 'uxktlLqb3X5SfxhXZhkW7Q8/2MlmXzdzBNPcqsHkNik=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )