UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'wDRMpI6x5MVinAp6Qr9eisnqQKPL7N3zmVq2VETtyZc=' 
WHERE 
  key_id = '99bb1b82ba81d0d9fb652a1ea9af08f3c8bbb66eff751fd1da834d8c62e0475f' 
  AND (
    token = 'wDRMpI6x5MVinAp6Qr9eisnqQKPL7N3zmVq2VETtyZc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )