UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'uM1MhHSWsYPKUq1qRZTcXtGxBZKlAaTeEvQoQmm1jGA=' 
WHERE 
  key_id = '4a1e1feb3c070687458362dff5784bfa2e9d895579bc65a64bdde8d2640ac816' 
  AND (
    token = 'uM1MhHSWsYPKUq1qRZTcXtGxBZKlAaTeEvQoQmm1jGA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )