UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DkTucWPBsXRxLv+oSHsZfhAOOG6hWyiRh08T2fV4bzk=' 
WHERE 
  key_id = '6c4af648d985c2e6a76df9ec30b36a245e79e68e644eb73c3ed75446401755ac' 
  AND (
    token = 'DkTucWPBsXRxLv+oSHsZfhAOOG6hWyiRh08T2fV4bzk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )