UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'JSatgwvWqd6rSnbO90ZsboEbJtUpf6iVbsZDQF7eins=' 
WHERE 
  key_id = '8e7d42765a803e42f9934b3e87965a62b62a01a69874c77ef1e636697b62f7ab' 
  AND (
    token = 'JSatgwvWqd6rSnbO90ZsboEbJtUpf6iVbsZDQF7eins=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )