UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'jIe6dol5cxjHAmSaiY0gYjbSONt6KsN9aOyHIsUlyAg=' 
WHERE 
  key_id = '5ed648f535d8c31bbd290c8d52aa355e4e27d594606cb058e05d6da4970914ae' 
  AND (
    token = 'jIe6dol5cxjHAmSaiY0gYjbSONt6KsN9aOyHIsUlyAg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00022