UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'hX5hynjsO7on9fxCh2zCmFBcg6bHGKMTqi9r6BBqNNs=' 
WHERE 
  key_id = '769e7b8615bc54742a88c084099d999b7e0621f5e9db8534a0487275abc275ad' 
  AND (
    token = 'hX5hynjsO7on9fxCh2zCmFBcg6bHGKMTqi9r6BBqNNs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )