UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gjxhvDhPCS9EeQYaVOr7vY7ALdSaHomTYK0wSlmVSUg=' 
WHERE 
  key_id = '205e261a99419d727e6a84e30c339f97899730d4424044d728e6f68484e2dd08' 
  AND (
    token = 'gjxhvDhPCS9EeQYaVOr7vY7ALdSaHomTYK0wSlmVSUg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )