UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gLTzzm0bhTopZBj1O15er61fCbxN59nrB6I6+701Drg=' 
WHERE 
  key_id = '6993ad09ea1672da82640633579e01cfa69890c2cd4b4e4bfa01cd97a4c968e3' 
  AND (
    token = 'gLTzzm0bhTopZBj1O15er61fCbxN59nrB6I6+701Drg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )