UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'iUG8Vbu81kfAjN86h26DlQRUbnfmDBYuKVdmAoAQKIY=' 
WHERE 
  key_id = 'c3a1a7469ccb4345537738572bd0eb1e2205b553e45273bd6461de160c0659fe' 
  AND (
    token = 'iUG8Vbu81kfAjN86h26DlQRUbnfmDBYuKVdmAoAQKIY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )