UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'r26++X8zz5BxKLvIcPPmkYLmFSUuUmYY8eaOP+bMnMQ=' 
WHERE 
  key_id = '834c2cdfa365921b2dae7a993ac91baafff45285e8e9a133638cc83f8537e2c3' 
  AND (
    token = 'r26++X8zz5BxKLvIcPPmkYLmFSUuUmYY8eaOP+bMnMQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )