UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'NwEvpzQGJ2sH9efbKqNYU9Vj+PEjCWWi/Po8z7OLTe0=' 
WHERE 
  key_id = '20f8f6477f289c3c26a18dec5a71dbc8bdeca84e918c996340d7c1e18c1cee77' 
  AND (
    token = 'NwEvpzQGJ2sH9efbKqNYU9Vj+PEjCWWi/Po8z7OLTe0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )