UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'x9z4cdamvi7lkABMO7tIzfU8FuLQEKh+aXWcUjfXoio=' 
WHERE 
  key_id = '0844a57aac4bca35b7f55531673690aa88b2de6d60b9a223167ff7c8b792d247' 
  AND (
    token = 'x9z4cdamvi7lkABMO7tIzfU8FuLQEKh+aXWcUjfXoio=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )