UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Kuda4Vxp0bYXTk1TAZqoJ81HJrdgwht99zHRa0yEirg=' 
WHERE 
  key_id = '4a242d783205f8e61464aa6b20922f1cadc4b62a316332381c0615b833ebb89d' 
  AND (
    token = 'Kuda4Vxp0bYXTk1TAZqoJ81HJrdgwht99zHRa0yEirg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )