UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'JD2IoRV5hU+pPYGHay2T+dJg1g96VJ8pr9ignR9uwfU=' 
WHERE 
  key_id = 'eeba76b064f0cea06567e33e0ea3d0fc666bbb4b45bd737443abcce7ed574815' 
  AND (
    token = 'JD2IoRV5hU+pPYGHay2T+dJg1g96VJ8pr9ignR9uwfU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00033