UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'K3VkjTW1lFZhnXLSuNEe39JbuwMXtaP9FubrTxpXxS0=' 
WHERE 
  key_id = '49fc49b2d3906a29d4c46b76ea2f0d7cd571105f96e82f853f74808b65e21a44' 
  AND (
    token = 'K3VkjTW1lFZhnXLSuNEe39JbuwMXtaP9FubrTxpXxS0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )