UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Q8ex6FExWy8pmUmcu8SdIowIEo4o+woRfhSUKDpGOj4=' 
WHERE 
  key_id = '6aa9d80334ccc0c31da0749bf41ea5cadc95946456a44fb36c3352a979395784' 
  AND (
    token = 'Q8ex6FExWy8pmUmcu8SdIowIEo4o+woRfhSUKDpGOj4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )