UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'U7CtIn2paUUf7iWMZxihgIX/UzgvWdiW/kUGl4OvM1I=' 
WHERE 
  key_id = '4813317e061003313259ba6717022a56b98c688ffa786562baaa12eeb167d3ed' 
  AND (
    token = 'U7CtIn2paUUf7iWMZxihgIX/UzgvWdiW/kUGl4OvM1I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )