UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kkRs70p39C80gok0iE2xLrPE201kUKbh1LwtyO+crIw=' 
WHERE 
  key_id = '6a5952def8c60415faea6a051ff6f95ff3605ebeed8499171683353b2c3e029d' 
  AND (
    token = 'kkRs70p39C80gok0iE2xLrPE201kUKbh1LwtyO+crIw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )