UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xZ4oNOiTjxm8upcS6KziZUaXC3eWtCoyo6SLxPC/9q0=' 
WHERE 
  key_id = '91996378e93caacc970bcdd1e5b721c3e138f7222e748ff3ab5d5f6db88e4796' 
  AND (
    token = 'xZ4oNOiTjxm8upcS6KziZUaXC3eWtCoyo6SLxPC/9q0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )