UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'NxvYbQrLHkplQp3IUeKRigHOHDNCu+GtICZT1CugebQ=' 
WHERE 
  key_id = '21455dba31f606e83d58d6fb34f1a2e1a0407f5204d6d770dfa4327545e65e21' 
  AND (
    token = 'NxvYbQrLHkplQp3IUeKRigHOHDNCu+GtICZT1CugebQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )