UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '5VaucCexcAllkzYOWFo1unt5E6v+OzcgeEIXq8YBL50=' 
WHERE 
  key_id = '9a5639abbf98acb246df88f2c343946e85682ea1a41f04b66839605c27e7c556' 
  AND (
    token = '5VaucCexcAllkzYOWFo1unt5E6v+OzcgeEIXq8YBL50=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )