UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yExwco4UbxzAcmjiqQ93etKao5KLEedOvyF96MdoGiI=' 
WHERE 
  key_id = 'c2510d908b57b6f499e69bca08ef39654bce82b8abdc1601ec9bb5666dfdba5b' 
  AND (
    token = 'yExwco4UbxzAcmjiqQ93etKao5KLEedOvyF96MdoGiI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )