UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 't0/0zIjUfM7wbRUDkEFeGM5e9vTy1NoGh7sxYVh7i0s=' 
WHERE 
  key_id = '50770b8e71ee28f14e78e9052c5d65146c13b901b31712e39a5be7b64ef7c4cd' 
  AND (
    token = 't0/0zIjUfM7wbRUDkEFeGM5e9vTy1NoGh7sxYVh7i0s=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )