UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6DLCM9BC0ClBrMIst4Ev9GYlTTKENfkF4fm9buBUNZg=' 
WHERE 
  key_id = '94d6368d25fabf2e056cb98319307def5922796eaeed9080cdb004d2e58dae30' 
  AND (
    token = '6DLCM9BC0ClBrMIst4Ev9GYlTTKENfkF4fm9buBUNZg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )