UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mdH/kqUzvCnV1PGA+Rb5aO0kUA5fvlLppVUbG9LQb2I=' 
WHERE 
  key_id = '5d4eddd435b4842dd37fa0ffa876e1a79822bbd0c525b06b9c6a26d3dec55398' 
  AND (
    token = 'mdH/kqUzvCnV1PGA+Rb5aO0kUA5fvlLppVUbG9LQb2I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )