UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'iZIWr0VKTRvx3SNM54fpmyvoa9fyBenzIKSt6UPbBUM=' 
WHERE 
  key_id = '99d13256b5284413f2ee27c2d1eed1a4c6743a260180dd76c39f295e31e184a1' 
  AND (
    token = 'iZIWr0VKTRvx3SNM54fpmyvoa9fyBenzIKSt6UPbBUM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )