UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RQBVOQOzayeYjjIwJ2+68iYHrjIbXsn3Te2Lc6LkS/s=' 
WHERE 
  key_id = '6abc25103b5f65adaeecfe4c056708ded5ac9acbb8b0bd7f5440b154139c00b4' 
  AND (
    token = 'RQBVOQOzayeYjjIwJ2+68iYHrjIbXsn3Te2Lc6LkS/s=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )