UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6H0UQHmin2XnwoxfKGj1TXmmKxG58Epy8ddd4e889m4=' 
WHERE 
  key_id = '51bb96136939844ebe2ff576bca51a1a0f9ace5b23990e26bfb99d52189f4798' 
  AND (
    token = '6H0UQHmin2XnwoxfKGj1TXmmKxG58Epy8ddd4e889m4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )