UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pS7wg9zfODk1ZoCmhhhPYr+06bBv21rMN3rbDzG9Czc=' 
WHERE 
  key_id = '491760777f6d960b2dd16b8157e476466d712a2843b754a54150a488ba81bd97' 
  AND (
    token = 'pS7wg9zfODk1ZoCmhhhPYr+06bBv21rMN3rbDzG9Czc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )