UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '8XP2RwJEzOarfe2Fvyi+0+CF7QZ1Xbe9EGPaEOnf+lA=' 
WHERE 
  key_id = '45137d26b60b15f8d18ab9d2b6d17a8efa8ca12622969a6ed3772102c338afe9' 
  AND (
    token = '8XP2RwJEzOarfe2Fvyi+0+CF7QZ1Xbe9EGPaEOnf+lA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )