UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'f57HUgH+Q4OGOL4bNoroEJvMQUKKUdfmYoTPpgv5Lyo=' 
WHERE 
  key_id = '6cf0ec4914a598a5da1527b1b928fe74ad807d07263e332f31f82742afcac47f' 
  AND (
    token = 'f57HUgH+Q4OGOL4bNoroEJvMQUKKUdfmYoTPpgv5Lyo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )