UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BUk7AhuMc6MvnTw+wh1NxhARMt1TM/h5rx44+ZjFeRo=' 
WHERE 
  key_id = '6e855bbe1c9f91a3fed057cf346ee49dd821ae29a5ee54bf84f62dee27d1a58f' 
  AND (
    token = 'BUk7AhuMc6MvnTw+wh1NxhARMt1TM/h5rx44+ZjFeRo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )