UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6x8QTUGP7PQ2M40yNi+gXNqO3StBuBhCEe0g8ruH51Q=' 
WHERE 
  key_id = '686dfed2af2b50a9d00b456a90f9460ab13ca568c4d1119c06a33793262a7c9e' 
  AND (
    token = '6x8QTUGP7PQ2M40yNi+gXNqO3StBuBhCEe0g8ruH51Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )