UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'efD81bEVe6H7HslVWqgBS7vaXsNpZH9oMrx3+Cr+yCs=' 
WHERE 
  key_id = '28bd5a29a2b0fc3783638b3cbe39edacf944970c83acf385ab908b43bc1bf777' 
  AND (
    token = 'efD81bEVe6H7HslVWqgBS7vaXsNpZH9oMrx3+Cr+yCs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )