UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'N8/ngC+y8ltgkd/Vd/ZmhBY1ii23p3Y06dtxhWWMQgo=' 
WHERE 
  key_id = '15a0d435836f4843eaf593d3e968b0a8d3e9f5c0192074ffbd6557bce8bfe657' 
  AND (
    token = 'N8/ngC+y8ltgkd/Vd/ZmhBY1ii23p3Y06dtxhWWMQgo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )