UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'CgNyEVJ/9Yo04+gn+lVf5cvis5nzBAEDNmcE8f9js/o=' 
WHERE 
  key_id = '28840b97814fe3f096883031569f74c86219145bbd5553f7556df2b4b31cb349' 
  AND (
    token = 'CgNyEVJ/9Yo04+gn+lVf5cvis5nzBAEDNmcE8f9js/o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00027