UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'FjFlvS9IVDq5ehDKoUi4xOvqhR1t67kizQezuyy+ktE=' 
WHERE 
  key_id = '68cd98c24783f6e9acc519503d88f1ac6ad9cfcfce9a0551944eca8cf9ff8117' 
  AND (
    token = 'FjFlvS9IVDq5ehDKoUi4xOvqhR1t67kizQezuyy+ktE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )