UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'df7XoWmoLCBvaYw+K+vuF8cm/rwKCPTB1KbksFej87k=' 
WHERE 
  key_id = '538e93d9c84c101366472a8e690a4fa82ca41f85c2118b7e8ef93412ee19f39e' 
  AND (
    token = 'df7XoWmoLCBvaYw+K+vuF8cm/rwKCPTB1KbksFej87k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )