UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6P+csnqVzmPbww6Rp9E5oX0n5xBR5f1CGu4+DCHfodo=' 
WHERE 
  key_id = 'af545521649802a746ec1d7b02dc6f5a988430479fb892ab37b1273ae157ebf3' 
  AND (
    token = '6P+csnqVzmPbww6Rp9E5oX0n5xBR5f1CGu4+DCHfodo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )