UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Pg0z2pFxdm+EIjzIu2WdXt5DqKpSVfNdNtLW454OWhg=' 
WHERE 
  key_id = 'be17fddcb7649ad6ff5187aee70c6220befa40c39f4989569c0069c9cdf60d91' 
  AND (
    token = 'Pg0z2pFxdm+EIjzIu2WdXt5DqKpSVfNdNtLW454OWhg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )