UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RFD3KnNAPIxFl95hF+Eume78V1KSGJ5VFTGtFctFiNk=' 
WHERE 
  key_id = '591c670c3a42d47cea6ca9839d7bd4d4cfa92bbea49c79074ce387eb8dddca14' 
  AND (
    token = 'RFD3KnNAPIxFl95hF+Eume78V1KSGJ5VFTGtFctFiNk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )