UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RhLz3rPj4LXAKDslqjEs7NgMvJsezl2NtblMmy4e6AE=' 
WHERE 
  key_id = 'e48904b9b75c3b1f75a3946fde3c4367ee45daf0f6500172c1b1469a36a30716' 
  AND (
    token = 'RhLz3rPj4LXAKDslqjEs7NgMvJsezl2NtblMmy4e6AE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )