UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'N5MQnj7/DbVNDgmTJLu5KoaAsKrAI9sSUKsZM1U3kZo=' 
WHERE 
  key_id = '91d351f868543de19d1fa768fec366002eb51baa3a6393582c39068fe3314de4' 
  AND (
    token = 'N5MQnj7/DbVNDgmTJLu5KoaAsKrAI9sSUKsZM1U3kZo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )