UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Gto6tIgjcAgfCW6qCr94jwFBKAdGoR23stTWjet+kAw=' 
WHERE 
  key_id = 'fffd2a72bc98c8e6d2f2d4cc97fbbce464c2b6e87a6f506dbeb01bcb94f88ed8' 
  AND (
    token = 'Gto6tIgjcAgfCW6qCr94jwFBKAdGoR23stTWjet+kAw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )