UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ek501ATEu0cAwzXUx3iGv0ghw8PVw1YX1AJqHkhuJd8=' 
WHERE 
  key_id = '8410a8297036927f0f8bbe0d3a10f8203e91d03c2b0ee984c2384f5d598b68c2' 
  AND (
    token = 'ek501ATEu0cAwzXUx3iGv0ghw8PVw1YX1AJqHkhuJd8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )