UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mUen7szqkQzbfJ7CTPj2JRTAJ4/ke1vMvIKDrTQRFpU=' 
WHERE 
  key_id = '512c549dd0498c4a4232e451ab64ed4a7b8b0aea107110af84e175c370311108' 
  AND (
    token = 'mUen7szqkQzbfJ7CTPj2JRTAJ4/ke1vMvIKDrTQRFpU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )