UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4GahkKmU+RyOxujUWoneQYeyFLcM8o6U7Bas2TqBOtI=' 
WHERE 
  key_id = '7339ccf6b0d42eeb958ba559a9d4450981558e89412d12576c287d693a7ec0a9' 
  AND (
    token = '4GahkKmU+RyOxujUWoneQYeyFLcM8o6U7Bas2TqBOtI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )