UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ayDsFniyHuYM1lZkZDWZmlrK8HzXLkToPXHLSrSOfwY=' 
WHERE 
  key_id = 'a703bc97da8b977017006e1410b99db46201546630c32b38b6078b4d5a73f29f' 
  AND (
    token = 'ayDsFniyHuYM1lZkZDWZmlrK8HzXLkToPXHLSrSOfwY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )