UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Ov1NcRfRkNLCRzbN3D22eAy4/6/X0UT8hH/mjbXNcmY=' 
WHERE 
  key_id = '4a84c2e778c944a08803cff265e6a9f47946c4451aeba96b5d4a09438597ffa6' 
  AND (
    token = 'Ov1NcRfRkNLCRzbN3D22eAy4/6/X0UT8hH/mjbXNcmY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )