UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6EMdPgq5xzMLxc8bLTujbbgWQExINqiGBGdB6idANQA=' 
WHERE 
  key_id = 'ef02b1dea8e6fcd61cb4e5bc59d3de59c920446b4696343c62820418202f4b8f' 
  AND (
    token = '6EMdPgq5xzMLxc8bLTujbbgWQExINqiGBGdB6idANQA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )