UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/lN8Lv6u9yQhVckIWY1SPgPES/eHqfh6WzefqMWIrNU=' 
WHERE 
  key_id = '6198642c2b6bf03aad7ee5a8559bfa3ed67ca184b69c5f3a8109382c8b4ca391' 
  AND (
    token = '/lN8Lv6u9yQhVckIWY1SPgPES/eHqfh6WzefqMWIrNU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )