UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gx7NCUhr6jJqFIMwJHe8GA99/7vKhvahyoD4bYzcT0Q=' 
WHERE 
  key_id = '2db1e39161e71b96927f104896fb10e0251ccd9e9a0d971a8879dd78898c85a4' 
  AND (
    token = 'gx7NCUhr6jJqFIMwJHe8GA99/7vKhvahyoD4bYzcT0Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )