UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Mjp5eFs91RfScYGLlbueOjUVDFbV7HDWlOK/LUR7fo0=' 
WHERE 
  key_id = '7dfb7b57ec15f8982c5337a98c5727d1de391e28b7d10c408fddae8459838e8a' 
  AND (
    token = 'Mjp5eFs91RfScYGLlbueOjUVDFbV7HDWlOK/LUR7fo0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )