UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kRn6/E4YhFllFPCQZANFsDtk8eih2oH1A3Nrv8RfaVQ=' 
WHERE 
  key_id = '6c4779047beba86fb07fb89cd6b9a276cf0398cf1fcc4d03cad53d640b112226' 
  AND (
    token = 'kRn6/E4YhFllFPCQZANFsDtk8eih2oH1A3Nrv8RfaVQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )