UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Zx7pQo22sYNpxtcr9iR4oyHRNbgj01fVc81VApAwBFo=' 
WHERE 
  key_id = 'e541a60a7d452df73f114174f3cf6155df7f17c3b89b75a70797d5d050d92488' 
  AND (
    token = 'Zx7pQo22sYNpxtcr9iR4oyHRNbgj01fVc81VApAwBFo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )