UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'fmq0gpGDn1juWzsaoEVNBdKalh4qYj2+DylGuTYARdE=' 
WHERE 
  key_id = '972c37eda67e2516a93e180caf30217e5f551256b4f9a733aebc69ca95ee6faa' 
  AND (
    token = 'fmq0gpGDn1juWzsaoEVNBdKalh4qYj2+DylGuTYARdE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )