UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '638UBGuFsufrfMeEYtggirs8xZZxdiL5csJYNOiJl9M=' 
WHERE 
  key_id = '76edf64a4d96b656673de3c1e00df5bbe558cc958493fe4530009c811e2a94c9' 
  AND (
    token = '638UBGuFsufrfMeEYtggirs8xZZxdiL5csJYNOiJl9M=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )