UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'au6g4RwqCIv9fHmP9M6zsWO/P+oPG63Kw92QULMnChg=' 
WHERE 
  key_id = '93c09eaf3f4a320309a199e27a6ef70eed294e70e047e7c9c5c647829530de52' 
  AND (
    token = 'au6g4RwqCIv9fHmP9M6zsWO/P+oPG63Kw92QULMnChg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )