UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'iYl1+faqcd0NN0EZ7RfdZSMVreZGfws4aBRFZvO7w84=' 
WHERE 
  key_id = 'bcf71675cfc2ee2cfb89a6d0c02439e3f4a4b1f434d9a6cc5d0ed2a9f7440dbc' 
  AND (
    token = 'iYl1+faqcd0NN0EZ7RfdZSMVreZGfws4aBRFZvO7w84=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )