UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6yfSUELMeJnLBW/0eE54r9MP3py8/peTIgsgkvFw9FQ=' 
WHERE 
  key_id = '50ea996ae5c6ef8d97a8681441fcdae1bcf4146a484cfe53414d565844da2f5c' 
  AND (
    token = '6yfSUELMeJnLBW/0eE54r9MP3py8/peTIgsgkvFw9FQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )