UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '897tm+S3C8w8GDUKNkeOjoM2XmU3AmWn1d0WnH41sCI=' 
WHERE 
  key_id = '9b95accde533963fe3502f1ca3930724513027ed637d9df6737d3ccdfc21b8e5' 
  AND (
    token = '897tm+S3C8w8GDUKNkeOjoM2XmU3AmWn1d0WnH41sCI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )