UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yui+PjK5ML/UFUvE/4Un1zeEHxIG3ihafGK9ajqvVJA=' 
WHERE 
  key_id = 'd014ef9dd130070d2a14a7c891503f675919707ec52d899cb963cfd96f87a091' 
  AND (
    token = 'yui+PjK5ML/UFUvE/4Un1zeEHxIG3ihafGK9ajqvVJA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )