UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'dTo+NwuLC+h1PjK5ug23zk8dbHtB8QmwYFHYZdzvYeU=' 
WHERE 
  key_id = '766ddcac2cee60390e55df0e2293f5c28145f9aacbdd98c3b7b836c17338c362' 
  AND (
    token = 'dTo+NwuLC+h1PjK5ug23zk8dbHtB8QmwYFHYZdzvYeU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )