UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QF9JYI0mKJcyV6KaSuL2q0WjCKiWe9D33FxBwGTTNX8=' 
WHERE 
  key_id = '8fa0578f8fbd855b7a8e6acf5b2ac6984b54e0fd533c19912a10fdd15c82cf8c' 
  AND (
    token = 'QF9JYI0mKJcyV6KaSuL2q0WjCKiWe9D33FxBwGTTNX8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )