UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'cRp/3/shyIMGYzpYy3y9wu+oYj6Ujab582j/MtdXZ/Q=' 
WHERE 
  key_id = '40807f93a92d085ac7075dade859de43c3ddf36c09624444f5644c4fad077332' 
  AND (
    token = 'cRp/3/shyIMGYzpYy3y9wu+oYj6Ujab582j/MtdXZ/Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )