UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'S+qLU5u5/JFsrIZz9btqF8H+khsqbK5vxbtwJBmoYwM=' 
WHERE 
  key_id = '30dbcc2ad0ecd68b98cefa3fcffcce41b02b2792404f24cc8a36de814ce076f8' 
  AND (
    token = 'S+qLU5u5/JFsrIZz9btqF8H+khsqbK5vxbtwJBmoYwM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )