UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'vRf6KFcA69yisc9sqO4dYM4xN/dwGdU+8rxvf4TXwq0=' 
WHERE 
  key_id = 'b3bf193645c516016428d9218a924e3b0c88779539a96b023cdca76f87129652' 
  AND (
    token = 'vRf6KFcA69yisc9sqO4dYM4xN/dwGdU+8rxvf4TXwq0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )