UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UsRCziRKRZdfByZhT9GHW6mBpHFZSa0imZFKpTRHzKM=' 
WHERE 
  key_id = '21b4042c19bb9f2a14918e3496adb50effdf4d90a7c5955f337ba5c3c6165667' 
  AND (
    token = 'UsRCziRKRZdfByZhT9GHW6mBpHFZSa0imZFKpTRHzKM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )