UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '5itgvSu3cdrSdOtiR7NwfWFbY2n+3gqrPSAePQWERIE=' 
WHERE 
  key_id = 'd21ae1495647afc52c968d167b5ba68f6b7c5ec0b77bad83453006aef3c07713' 
  AND (
    token = '5itgvSu3cdrSdOtiR7NwfWFbY2n+3gqrPSAePQWERIE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )