UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kNM0TAhofl9pQy3VZezp+N4wzCsQ9mWyqnSfH1vK+G0=' 
WHERE 
  key_id = '4eff47e32535378821a4f02737fba348ca29afc32572942572d2985aabf009b5' 
  AND (
    token = 'kNM0TAhofl9pQy3VZezp+N4wzCsQ9mWyqnSfH1vK+G0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )