UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6iitoQXirZpAdDKva3qof0CppfhBdeEBNw9fllVrBhE=' 
WHERE 
  key_id = 'dffaa55219a4b8a51a921510fbdf4d366ec95e95af14fc4eefc05bad9ccbbf7f' 
  AND (
    token = '6iitoQXirZpAdDKva3qof0CppfhBdeEBNw9fllVrBhE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )