UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nsUXC9Foc1PT3BJzK6tGTiZI0IkPtn8uvt+sHdf3Aqw=' 
WHERE 
  key_id = 'b6c687d544302ef32085754434b2d14fa54384961b8691f51e74dadb140c18b1' 
  AND (
    token = 'nsUXC9Foc1PT3BJzK6tGTiZI0IkPtn8uvt+sHdf3Aqw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )