UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rxsfPtInPDRtfXd3mWC7cudxUcCAyxGLtVnoTYRn6wA=' 
WHERE 
  key_id = '1530b3c50ac6195c120bb2c58586eda9bf56981bc92df64333b122a469f7d642' 
  AND (
    token = 'rxsfPtInPDRtfXd3mWC7cudxUcCAyxGLtVnoTYRn6wA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )