UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'n6KZPICo27Yo1djncV3SAHkqzqAKNjuy4/hwfB4cMW0=' 
WHERE 
  key_id = '059a64218482973f0462d25b24ecfc541aaf39f4a957e1e2401bad0754ad28dd' 
  AND (
    token = 'n6KZPICo27Yo1djncV3SAHkqzqAKNjuy4/hwfB4cMW0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )