UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/z+aMkdKvvi0nlHY23PCxou2UAkhzN8ok/kvSAPm2Lk=' 
WHERE 
  key_id = 'c6a7c4ff5e2a96400e1ec8091fc5c5aea82e7a0493beedf2c9e9383c8a9f73c5' 
  AND (
    token = '/z+aMkdKvvi0nlHY23PCxou2UAkhzN8ok/kvSAPm2Lk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )