UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PJJxiRWEWedYtmZZbG9M7aMjSvfjIteZrZQl287WZXc=' 
WHERE 
  key_id = '4c93cf650f1e58af2a957b27546d70e8bfe1bd64707d93b23afa0a0659483341' 
  AND (
    token = 'PJJxiRWEWedYtmZZbG9M7aMjSvfjIteZrZQl287WZXc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )