UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PbGTpevd9FtpoRiP5ImYT6brHuxHLDSHJEM9T1eMKWs=' 
WHERE 
  key_id = '2c4771ae0e61a6d3c36ed0611027e18447e9f510d87df6f8636f244bc30f94e2' 
  AND (
    token = 'PbGTpevd9FtpoRiP5ImYT6brHuxHLDSHJEM9T1eMKWs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )