UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DDDVbhD/SI1a77dE+4uicbNgsY5wRAwx2F1gCzGMcZ4=' 
WHERE 
  key_id = '81ad1f0c2181a75bb5be450ca43536c3e93a49cb05c9e65aeaef2634b6c9554a' 
  AND (
    token = 'DDDVbhD/SI1a77dE+4uicbNgsY5wRAwx2F1gCzGMcZ4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )