UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6wE4uwo9+6bCvjvv3NlWat3zH6fykyG7NGQsTir5rs4=' 
WHERE 
  key_id = '6d255638fd0c1910e5a55a972fc899b6f474f5895b50c96313521f12e4063d9f' 
  AND (
    token = '6wE4uwo9+6bCvjvv3NlWat3zH6fykyG7NGQsTir5rs4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )