UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rQTdL84DhrAYmLymnNbiYcY9RQjYsD8MqM7A/fPmfEk=' 
WHERE 
  key_id = '593d975b36339670e80a866e8a7652658de8a8110090d914d53a1b3b11b950ad' 
  AND (
    token = 'rQTdL84DhrAYmLymnNbiYcY9RQjYsD8MqM7A/fPmfEk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )