UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'N46jnaTfQRCBU2KA5a/ims2rj4qqJ3f/ryISBSINqKw=' 
WHERE 
  key_id = '8ccc6a45eaf4cb906e4efbed84be7c3ae354e5e43d441b71e0df4320f8ed3fe5' 
  AND (
    token = 'N46jnaTfQRCBU2KA5a/ims2rj4qqJ3f/ryISBSINqKw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00032