UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Ehw+v73Fj2JdaKofWYa58RmhgmU1yM+otpsJ5ojjGLk=' 
WHERE 
  key_id = 'b6b2495be9e6a84f36416e4f133ef63c635cdfd183e0ef53570af0b34e713996' 
  AND (
    token = 'Ehw+v73Fj2JdaKofWYa58RmhgmU1yM+otpsJ5ojjGLk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )