UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PR2kU8MkeFWhzHtMdWbvBzJHQgBxpaBYRdrWB3NupQg=' 
WHERE 
  key_id = '28009ba0b5537e34ee3883e7674a49224502e6b4ca522aa3fba144c8f483fe78' 
  AND (
    token = 'PR2kU8MkeFWhzHtMdWbvBzJHQgBxpaBYRdrWB3NupQg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )