UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Dxh4gI6aEsqgarjX08jM7hH2iqBuz8pNpWCRHJvSWOc=' 
WHERE 
  key_id = 'df3ead1338c9c03c27771bee4b2fcfee3b93686230469426c30ad6b218cb7fa6' 
  AND (
    token = 'Dxh4gI6aEsqgarjX08jM7hH2iqBuz8pNpWCRHJvSWOc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )