UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RKwwnKxHSmsObws9ksxnxyZ05q+oGHv3IzZ8C+vydyo=' 
WHERE 
  key_id = 'a4abe3bf0017512574417f1c7125f476b1ec33b9b817333e17025d85f0738918' 
  AND (
    token = 'RKwwnKxHSmsObws9ksxnxyZ05q+oGHv3IzZ8C+vydyo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )