UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'r7hU43lwYMQz1PpeWWw9NSdlRNz9jH3D+TSjQ6OmexY=' 
WHERE 
  key_id = '368e0f7c144ee50cb5cb4223d8cf13e7b36ab608aef7a22de1434b5f9b5dbb92' 
  AND (
    token = 'r7hU43lwYMQz1PpeWWw9NSdlRNz9jH3D+TSjQ6OmexY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )