UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Zo3pUtn3fUxNiFjNbfa/et4TVHDn7mdq526ZJWLGuhU=' 
WHERE 
  key_id = '6a73709ca814a461ea45070b3da2e0371a43fd938d90d2213bfcbae106397764' 
  AND (
    token = 'Zo3pUtn3fUxNiFjNbfa/et4TVHDn7mdq526ZJWLGuhU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )