UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mEwGxKiqa3zRPYSTyob+9XGV4SY9ZkWRxJizX7Bn26Q=' 
WHERE 
  key_id = '83c44bfe07dace99201a35be16efa3aa969191f48f2e486153e4f9ca6fdefd66' 
  AND (
    token = 'mEwGxKiqa3zRPYSTyob+9XGV4SY9ZkWRxJizX7Bn26Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )