UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xG1U+3Eqp/yPmz3PdNiMYlahBDTHgfNSrXtk90+AiGk=' 
WHERE 
  key_id = '823368d637ee0ebc544176f35ab39b81e4a020fbccac15d74967f57ad85b3b9d' 
  AND (
    token = 'xG1U+3Eqp/yPmz3PdNiMYlahBDTHgfNSrXtk90+AiGk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )