UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'eP7mO+OtbklCFycVhclRYozzku/pDNk4sjK/8QPzicA=' 
WHERE 
  key_id = 'fece47d4ae412448c6d4f78b5a9e7d1f02f4f75a01317b93f1d6459469efe894' 
  AND (
    token = 'eP7mO+OtbklCFycVhclRYozzku/pDNk4sjK/8QPzicA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )