UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PVfU6iu/IWrOSOX5n1bwcDDEqGILFkBDsDIXn3z52Xs=' 
WHERE 
  key_id = '255e423b63a77bd8aba8149cf8995f4ca288da073e4090664d3264d1486a419f' 
  AND (
    token = 'PVfU6iu/IWrOSOX5n1bwcDDEqGILFkBDsDIXn3z52Xs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )