UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Ll9DZkI7MMvM7oBz7nVQ6SYJGUGobJ53sGUOLwZSXIw=' 
WHERE 
  key_id = '4155575e241d9c79e2f1184676699f1ca243801778b850353dac47a1aa0b4483' 
  AND (
    token = 'Ll9DZkI7MMvM7oBz7nVQ6SYJGUGobJ53sGUOLwZSXIw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )