UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Rq2Zp7AfSbuFBMGaUgeMxOdCwx4+E2hL6RslF4/Fjms=' 
WHERE 
  key_id = '976c65429dad55f093d9785bf2f6c32912863ca2e19f7dead60037df308154ab' 
  AND (
    token = 'Rq2Zp7AfSbuFBMGaUgeMxOdCwx4+E2hL6RslF4/Fjms=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )