UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'LEg6Rs5cT8wv3iuJbeIPiybeWX8ehJRpX+THg4bZZU0=' 
WHERE 
  key_id = 'dca2b75b1de352fa1ff4339784a01b84ce6f4f4fe55917269e1089ac6c6a6a19' 
  AND (
    token = 'LEg6Rs5cT8wv3iuJbeIPiybeWX8ehJRpX+THg4bZZU0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )