UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4Cfz0r/n927EXt9lCC4J0YgCvJl2uV8w7VQI8nczyU8=' 
WHERE 
  key_id = '81c829dcea3ee17d3c9872ac03e44957b5f73298f413245f197e784fb3f1111f' 
  AND (
    token = '4Cfz0r/n927EXt9lCC4J0YgCvJl2uV8w7VQI8nczyU8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )