UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Mq4UQn4qqb7cqJzWoe6nMjy5iDLjVToGnAhSsKpGeuk=' 
WHERE 
  key_id = '50dce98438acbb13553902a670c11cbdd17caed5e84a29853ccac7eb63f96caa' 
  AND (
    token = 'Mq4UQn4qqb7cqJzWoe6nMjy5iDLjVToGnAhSsKpGeuk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )