UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QRe8c9bKSTaXipQylGXb8r4yYhG1gNdEaZSxfaRoEfA=' 
WHERE 
  key_id = '7c4944ca31e1df601e69de820e3fd90799417ce55650a2c26c1b44eea0275611' 
  AND (
    token = 'QRe8c9bKSTaXipQylGXb8r4yYhG1gNdEaZSxfaRoEfA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )