UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/bt266BEceL5kl77b3YHH/tj0HqFw+zCAdwc+18ZC1c=' 
WHERE 
  key_id = '231a7d87c0453e490afcdad0bb89bef01f05290c132065d35e29475114b276d3' 
  AND (
    token = '/bt266BEceL5kl77b3YHH/tj0HqFw+zCAdwc+18ZC1c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )