UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'krSiX7Uv5bureV0w0qI3RsR4vLZIGOlVrPxOqdoXq3E=' 
WHERE 
  key_id = '26669b0e434724eca530bedb65a7bee9499b2fc1539f7c499786134caafb0dda' 
  AND (
    token = 'krSiX7Uv5bureV0w0qI3RsR4vLZIGOlVrPxOqdoXq3E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )