UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MNgaxcj0qj3kPYzj+HiCIcTBoGYbEZ8H8K2Cd2gsf9w=' 
WHERE 
  key_id = '72e504b40c856a6511884bfd92fef4201307079c81b8ea24edf30f3eee7f7696' 
  AND (
    token = 'MNgaxcj0qj3kPYzj+HiCIcTBoGYbEZ8H8K2Cd2gsf9w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )