UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'EHWbQonoj5+HnW91AQzg1O+MwOA5MXFzVkB2aTgUPEA=' 
WHERE 
  key_id = 'b9a6c61a1386b232fc3b851360e22c632c1c87919434565ceaddf604fa486595' 
  AND (
    token = 'EHWbQonoj5+HnW91AQzg1O+MwOA5MXFzVkB2aTgUPEA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )