UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'n5hGWkwoJju/YkkUpWrtW4vJwUL6t1vCkYrqalApPxc=' 
WHERE 
  key_id = 'ec4dcc63f00aa9e99a386493e95412bbf7921aed402f9a603b4df284b6256549' 
  AND (
    token = 'n5hGWkwoJju/YkkUpWrtW4vJwUL6t1vCkYrqalApPxc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )