UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yxNyKHjGvMSY3uP6X5D+KSjzARPG/0d7CGf40O6siAc=' 
WHERE 
  key_id = '4ec956e6df901bd57125bbdf0e08b9a4f2d84fae68c03f13fbda32bfcd4f7b67' 
  AND (
    token = 'yxNyKHjGvMSY3uP6X5D+KSjzARPG/0d7CGf40O6siAc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )