UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+7S4i+vOE5WC2V3+88YikfDSqqzpM6ztELDF7r5BKbc=' 
WHERE 
  key_id = 'c251ffa1ce6060afa428cfdef2d9b09a86e8bffa4d7af2e0d4047104c8d33d90' 
  AND (
    token = '+7S4i+vOE5WC2V3+88YikfDSqqzpM6ztELDF7r5BKbc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )