UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RmPA8lRW3vmuddu1eLq7JMm8fjG89GP9UgoXwEl+yWU=' 
WHERE 
  key_id = '6dca013e2f2308a112b37c53041e316695264a51fd1b83d3d8d1e8df94fc9f45' 
  AND (
    token = 'RmPA8lRW3vmuddu1eLq7JMm8fjG89GP9UgoXwEl+yWU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )