UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'OaDMbKfy8n2rrC0fiZilD90KduD7eVDGCUhHKaX3kdI=' 
WHERE 
  key_id = 'b6a54ac815679c796c8cb8253629e164a89fcfe55474fbb7f72c924775088975' 
  AND (
    token = 'OaDMbKfy8n2rrC0fiZilD90KduD7eVDGCUhHKaX3kdI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )