UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6xBL0kOefyCO9J5cDzCXkUKj3xWeGfgrJrTdws0Zvxw=' 
WHERE 
  key_id = '1fb4021a554d3788223a8b5c4ea490ded90a400c666d0fc3f4b7a532e076d9b7' 
  AND (
    token = '6xBL0kOefyCO9J5cDzCXkUKj3xWeGfgrJrTdws0Zvxw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )