UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MLgIMDYftXNm6nrii3WIcTwFAAF2yELfTZMMeYfe/wA=' 
WHERE 
  key_id = 'b31591e3fcd4d32e74b379dd42f1604f842eacb9621330a7438d78665057f276' 
  AND (
    token = 'MLgIMDYftXNm6nrii3WIcTwFAAF2yELfTZMMeYfe/wA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )