UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'd1HOdIMBRK9hbRGlvRi82dXvhNFuPyrI1ZrwJdIHigg=' 
WHERE 
  key_id = '4b799010dbede2321db05b9315fccc53efbff36de9628261896d74b6c20ee2ed' 
  AND (
    token = 'd1HOdIMBRK9hbRGlvRi82dXvhNFuPyrI1ZrwJdIHigg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )