UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RlhwpUuDvOEepaUjv8k2dnbjPHy2yIOAGByjfzeKoEk=' 
WHERE 
  key_id = '635a829ca0990b833d81a6f21e68ef158065600fea2b02e9198426bd277c387f' 
  AND (
    token = 'RlhwpUuDvOEepaUjv8k2dnbjPHy2yIOAGByjfzeKoEk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )