UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'SxEHkTYqrsRkvlZ6sbPTbI35amelTOVt4ipmg2egCWE=' 
WHERE 
  key_id = '16ff394d888f4acf473c476d1daeaf8782606617551f515c895f5af74de6659e' 
  AND (
    token = 'SxEHkTYqrsRkvlZ6sbPTbI35amelTOVt4ipmg2egCWE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )