UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nO79Ba37qLx9Dr4F1TAtkKNm8yvTjgiEc7xveNZyk44=' 
WHERE 
  key_id = '2be4911a263c2c2822feda59503a1fb0a8e3990ae1957ff2e801987367005c23' 
  AND (
    token = 'nO79Ba37qLx9Dr4F1TAtkKNm8yvTjgiEc7xveNZyk44=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )