UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ecr8Z4Lv5auTFmj5lvjvfsos/zUguTAmrS5aOnh/V08=' 
WHERE 
  key_id = '31d552c489b2cbb2439696f8be5c0794571283178deaf37df29ee1aa22681625' 
  AND (
    token = 'ecr8Z4Lv5auTFmj5lvjvfsos/zUguTAmrS5aOnh/V08=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )