UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'lC/pMnICl+AeL806demxS7jb5KKW3UZeXijvO4tzhqU=' 
WHERE 
  key_id = '90a37a02a464074462920980a466c3cf338c394f14ee4d4dba1e5d1f1eaec704' 
  AND (
    token = 'lC/pMnICl+AeL806demxS7jb5KKW3UZeXijvO4tzhqU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )