UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Wnrgl2EjOkpcCIyIwfLdQfGmRftj42lGBAQElso9FOw=' 
WHERE 
  key_id = '9189fb5920d6daf8d1977378a206fbe5a4ff6677d5b902b2a42209337e5d499c' 
  AND (
    token = 'Wnrgl2EjOkpcCIyIwfLdQfGmRftj42lGBAQElso9FOw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )