UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/rZ6j11ZNexzzVUDA1ajy4knN35vfzWBI/BlpcR4MJI=' 
WHERE 
  key_id = '21af1a88e0a6a5583504962c0f394da13e8d4d50deda9e2e4b06327144678690' 
  AND (
    token = '/rZ6j11ZNexzzVUDA1ajy4knN35vfzWBI/BlpcR4MJI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )