UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'n4cCzsBiach3I+bJHkMaVEGbFB5PBjtjNSopAzt/iYQ=' 
WHERE 
  key_id = '0621e51a5c4f78d464662f19e14acf86eaefda066594c7dfa76800e90d38b185' 
  AND (
    token = 'n4cCzsBiach3I+bJHkMaVEGbFB5PBjtjNSopAzt/iYQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )