UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'l/0grQO/zU6lNqM4rm8uWoniRfyPSk68XDRvHWTIndE=' 
WHERE 
  key_id = '6897b647257e84b29a938d445c8209f0614592065c25bf195c0f2e8bad39d0d7' 
  AND (
    token = 'l/0grQO/zU6lNqM4rm8uWoniRfyPSk68XDRvHWTIndE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )