UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'XxvXxeB+1zLtJI5u9KtqiX1ztPlVjmItjxfXOEejiio=' 
WHERE 
  key_id = '43261df550e942b73b3914967e574e97f20170022c540d3cfd7b774915284b76' 
  AND (
    token = 'XxvXxeB+1zLtJI5u9KtqiX1ztPlVjmItjxfXOEejiio=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )