UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DhXIwbBsDs2zp5nFR2pEW6h2ZPBCIimSqAP8TTaNDq0=' 
WHERE 
  key_id = '4551904f01cf8f483c82efeee102b17acbbd3b2351f399e7717e6a4612ef80fa' 
  AND (
    token = 'DhXIwbBsDs2zp5nFR2pEW6h2ZPBCIimSqAP8TTaNDq0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )