UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xUCcm91dIBbkLeiXvUerK/vwniLvAsPTQ74CyAYoCXc=' 
WHERE 
  key_id = 'b68606b9e04aa21b91f0c1e89c552565ee62f01e2493855b78c3f941f2fc7a75' 
  AND (
    token = 'xUCcm91dIBbkLeiXvUerK/vwniLvAsPTQ74CyAYoCXc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )