UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ktNimQptrxq6Ga4Dgr8qxmmjP1u6u/lzLyWgt+Deg/o=' 
WHERE 
  key_id = '8b9e6e7f2454ff4c1a53f7a73865799ea3ca6be16dfe3d544e2b8174fc2f1a5f' 
  AND (
    token = 'ktNimQptrxq6Ga4Dgr8qxmmjP1u6u/lzLyWgt+Deg/o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )