UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xNTTH5IVk0nQGOgwt2lP4aNjOU1KbfF9d1roWZMAnYU=' 
WHERE 
  key_id = '0ae83010bf14aa59398137dd6cde9a93dd6ed3b163345ba77994ffc2915501d3' 
  AND (
    token = 'xNTTH5IVk0nQGOgwt2lP4aNjOU1KbfF9d1roWZMAnYU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )