UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'P6xzKjpALwGjeyL6smQP9hOwq2iLjgjUG8e5mQtm8xQ=' 
WHERE 
  key_id = '83d25444334c0c07eb0bdffd2d717467a7967de88a38efdd8988ab9e702c5322' 
  AND (
    token = 'P6xzKjpALwGjeyL6smQP9hOwq2iLjgjUG8e5mQtm8xQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )