UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'U6LcJXrEF8vRqsIxS7W97AVEvebUsW3FWZn6pjRauRc=' 
WHERE 
  key_id = '5d0974a4020f250a52085e05ad3b525cb830dd72a3dd2c40a75f53feeec74cd3' 
  AND (
    token = 'U6LcJXrEF8vRqsIxS7W97AVEvebUsW3FWZn6pjRauRc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )