UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yqn5/l0d98HpOJOYJobpNhF6biw9yF/y7Kou4zzpTwM=' 
WHERE 
  key_id = 'b5c18be8aa08b0adfc07284f12487694a205077d53a297e33c36be87ef159893' 
  AND (
    token = 'yqn5/l0d98HpOJOYJobpNhF6biw9yF/y7Kou4zzpTwM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )