UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6R14VF4mnKDn68VULaBtGLHrKlaxf1ktAsHXDSSpEpc=' 
WHERE 
  key_id = '1b530474d4a4921b5a00a6de1441d29f57b7440891c65a4c78a46d31f2e19e39' 
  AND (
    token = '6R14VF4mnKDn68VULaBtGLHrKlaxf1ktAsHXDSSpEpc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )