UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '2MJ9UI9rdhTg5aEbMWyf+uPPBNGf7YfXb8mVayHB2ic=' 
WHERE 
  key_id = '8181d391f7684514f62af8e45e1f5b8716212e58907cdea2340287b9989f5c88' 
  AND (
    token = '2MJ9UI9rdhTg5aEbMWyf+uPPBNGf7YfXb8mVayHB2ic=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )