UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tMWe1dpKYQAr0VhvMI97+T5ssW8RTy5kcHGA6a8MIYM=' 
WHERE 
  key_id = '4b449bc6db8d25d4f6876d71b921e1982df0283296aa1fa2f47e138ad2a2a55a' 
  AND (
    token = 'tMWe1dpKYQAr0VhvMI97+T5ssW8RTy5kcHGA6a8MIYM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )