UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yXYfWoykskLXM4h9iZayaYZ4gnokD4cIAbd7oay25uY=' 
WHERE 
  key_id = '585ee1cb2771491705b311cd8516328634efa9944ae78aa449b6e87d763d009e' 
  AND (
    token = 'yXYfWoykskLXM4h9iZayaYZ4gnokD4cIAbd7oay25uY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )