UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rTkmjoYdNNfPaNqisMpAMEKKkLfF9DuqDG9WrebhyME=' 
WHERE 
  key_id = '47a52037202420aab686fb32908c7e46a8600455f83352d54b70e9173b01161c' 
  AND (
    token = 'rTkmjoYdNNfPaNqisMpAMEKKkLfF9DuqDG9WrebhyME=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )