UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'AYc4kd5a9KFPjyZLqMrLYroL2tzlRYQyu3G6OKBWOCc=' 
WHERE 
  key_id = '39800b18b529aa494cab65e7f5f49b5ade3136bc267f95dea678e07957f822c4' 
  AND (
    token = 'AYc4kd5a9KFPjyZLqMrLYroL2tzlRYQyu3G6OKBWOCc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )