UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Um8+JlLkiSLIqRB2rj6ZdSWuMA6C6YLXxZyEVWupnic=' 
WHERE 
  key_id = 'd28bad9d6acd3bea2fb790515220bf2aef8875cd483cfbfaf505c2d8443f9455' 
  AND (
    token = 'Um8+JlLkiSLIqRB2rj6ZdSWuMA6C6YLXxZyEVWupnic=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )