UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DjbkEzTeegSQ98VzT2QwRzas9e7WynRo+JCKdXKedos=' 
WHERE 
  key_id = '42146a938e92496e45fd1846ad58b2a32bd475c2cbd6e695d4e8f8746b327157' 
  AND (
    token = 'DjbkEzTeegSQ98VzT2QwRzas9e7WynRo+JCKdXKedos=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )