UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Mycr4dGLknK9WlTY46l5EUi20kHW2nYTrnc61Pba9Qs=' 
WHERE 
  key_id = 'd81d2b493cdc979931ee7d5bc2a57c208567170dde3f1f531b678a3056fe18dc' 
  AND (
    token = 'Mycr4dGLknK9WlTY46l5EUi20kHW2nYTrnc61Pba9Qs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )