UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+r+/hmK9YWG3vduihQGaSZJzP/MLm+oOhfyClXOqk60=' 
WHERE 
  key_id = '5506648d31d192e474c33c29d4128a0f0f2b6e6186a3af1cb7c6c95681beaa7e' 
  AND (
    token = '+r+/hmK9YWG3vduihQGaSZJzP/MLm+oOhfyClXOqk60=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )