UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tk/oMf10iaM8swYJtIGiuHA+UOeqfEVbYI4fsX9Zx+c=' 
WHERE 
  key_id = 'c397e7981975ab3d2caec4745b6e5b29f2801955a81c870a504a23a22cbac4ca' 
  AND (
    token = 'tk/oMf10iaM8swYJtIGiuHA+UOeqfEVbYI4fsX9Zx+c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )