UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Dgv20I3icU8j8GzLg2LAIDGy8pzyT+5otISyP6tXtCU=' 
WHERE 
  key_id = '79cf670dc8063424e72ee6b33cce97854209591cc781f56f885d26b8d16f87fb' 
  AND (
    token = 'Dgv20I3icU8j8GzLg2LAIDGy8pzyT+5otISyP6tXtCU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )