UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'arI33y8+3h1mnkAlv/C3lRb1Fw6iIzuDKM6bkqGjd4I=' 
WHERE 
  key_id = '7979dd56ea2ffc0aaba2fb6601c44ac3b37769d11d33971c6735576e603c7d50' 
  AND (
    token = 'arI33y8+3h1mnkAlv/C3lRb1Fw6iIzuDKM6bkqGjd4I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )