UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nUGTFmGzKnQZKVzOQOJJ0NSkyrgO5vIzQ4C2MDVC45M=' 
WHERE 
  key_id = '42f406c3294486ac8079b11ff21f5585d99234e379291c5f4af45160ed5de44a' 
  AND (
    token = 'nUGTFmGzKnQZKVzOQOJJ0NSkyrgO5vIzQ4C2MDVC45M=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )