UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pPPICZavYyrYYwrDQ8UpbueSUcretoNTfhHR67UZLus=' 
WHERE 
  key_id = '4d79f9903ca25cf92f5e9a558a3b07220eb4ba3a4bfb8d79b64b1ac44877ba1b' 
  AND (
    token = 'pPPICZavYyrYYwrDQ8UpbueSUcretoNTfhHR67UZLus=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )