UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'k6a0xGVvmBAawGPOFHbB5oaErU4ECSPumHO7JFd/PgY=' 
WHERE 
  key_id = '5ebe1b8c168b54269ca75ec1374de26017fc4bd0e6e47c418f7ccc4c12904d85' 
  AND (
    token = 'k6a0xGVvmBAawGPOFHbB5oaErU4ECSPumHO7JFd/PgY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )