UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6RzZqi4Ul8irvV+tUuZszfg7njG38yvhHPrIr2seYIE=' 
WHERE 
  key_id = '32ca1d5a2616d7b68e8b4b9f5bd8df86af5a955b9c58e10b3a92e788c6815da3' 
  AND (
    token = '6RzZqi4Ul8irvV+tUuZszfg7njG38yvhHPrIr2seYIE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )