UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tzlZa+nLUDw1XSydJqe5aiMjcOR5sg79q0sI8nSBBgs=' 
WHERE 
  key_id = '549b6718e1b724c38d39612d1b580bff1d6f478c1ab394f2d6b41a8c3697f4fa' 
  AND (
    token = 'tzlZa+nLUDw1XSydJqe5aiMjcOR5sg79q0sI8nSBBgs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )