UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+ZqqTFzzHDtGpA0kZAQFHgzUQfeKNnKKb4yzHqmKNew=' 
WHERE 
  key_id = 'c391d8fe51539ce7ad3e74237da21a14afba48e35e01e50071a18ea9e34278b8' 
  AND (
    token = '+ZqqTFzzHDtGpA0kZAQFHgzUQfeKNnKKb4yzHqmKNew=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )