UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'O3w+B7R9PmunzHtMiUZbkQ4RFuIl7tcuUQUe0LpLrDo=' 
WHERE 
  key_id = '31756c1335b1b6a35dc31aa11a3cf431d422e447d18da024fc68a49eadfc7085' 
  AND (
    token = 'O3w+B7R9PmunzHtMiUZbkQ4RFuIl7tcuUQUe0LpLrDo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )