UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '0XxWLoXmBrw7Htuh9ki2L2pHYsuLXqaP0K87XnrL2rs=' 
WHERE 
  key_id = '4848af39348d7bdf71a028a2edb3ebb3a428c59b7a11d1ce4958c26516403863' 
  AND (
    token = '0XxWLoXmBrw7Htuh9ki2L2pHYsuLXqaP0K87XnrL2rs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )