UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'P3AppaFp2HCCCM4jivtt3eN4xXlf5860BlcQI5YyGWY=' 
WHERE 
  key_id = '51649c83db648937f1904fb89020baa603bc254932f1bc7cad0afd597211818e' 
  AND (
    token = 'P3AppaFp2HCCCM4jivtt3eN4xXlf5860BlcQI5YyGWY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )