UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '50ZSFbIEjfRnwlYycXKaIWc/qSQuv0ytVGJaKf7+vtw=' 
WHERE 
  key_id = '46621958b2dfef99772b344fccea9925b7fb916adbdbdeb8009acb5a0da00769' 
  AND (
    token = '50ZSFbIEjfRnwlYycXKaIWc/qSQuv0ytVGJaKf7+vtw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )