UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6bDo9Rl8bjecbOtN9AODhTkgSY9kIj8pIb9LGBhHe3M=' 
WHERE 
  key_id = '4a38d770be6c3de6ac17b0a4a113fe4a60be357005739072e118d15962294e4a' 
  AND (
    token = '6bDo9Rl8bjecbOtN9AODhTkgSY9kIj8pIb9LGBhHe3M=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )