UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Iy5mJWJtsHZirvRbVXduDqr3QSd4LPFdXlaHotBwWSE=' 
WHERE 
  key_id = '6acfcae0715c285ba363373883553a99028eacbe456fde2e0ed214687da53b76' 
  AND (
    token = 'Iy5mJWJtsHZirvRbVXduDqr3QSd4LPFdXlaHotBwWSE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )