UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MJLvJfw7luSObvLcie7Lv8RNm0QwmRKAWuGkMHbilgA=' 
WHERE 
  key_id = 'b4c1c7ca252c8bbeee90e160d919df8b1202c19561915bddb84807e69a2ff831' 
  AND (
    token = 'MJLvJfw7luSObvLcie7Lv8RNm0QwmRKAWuGkMHbilgA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )