UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PXMilBZDvp9lJ3SEg21fX5grKW3YRKNADUbcIWHZnEk=' 
WHERE 
  key_id = '3e1e43d0bfbd433e043ecbc1557c33930d268c4512d345d35d1b97a728527a9a' 
  AND (
    token = 'PXMilBZDvp9lJ3SEg21fX5grKW3YRKNADUbcIWHZnEk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )