UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xb3SiAHoco7rjj5MGyP1lmWT125VBar6xlzkveEPRNw=' 
WHERE 
  key_id = '42c297ebd09aa17af72db15ff99ed9dc123bc84b43b11f46372d8a3806721728' 
  AND (
    token = 'xb3SiAHoco7rjj5MGyP1lmWT125VBar6xlzkveEPRNw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )