UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'emj371M4Z1sZEVUzkc0apI09SDtlrnktfRqVVYRNU48=' 
WHERE 
  key_id = 'c7f30b2993676101a91b18c470bfaf78c5ee5f3e822f14d88b51154a5685170f' 
  AND (
    token = 'emj371M4Z1sZEVUzkc0apI09SDtlrnktfRqVVYRNU48=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )