UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UEb7IwbBziyfmYWUprvC7lfDBRQfEtmsmlPB8oFdAHk=' 
WHERE 
  key_id = '6c234aa4b3c715d80036d304be9da330d73538ae6b7957ce2ca37a68630a42cd' 
  AND (
    token = 'UEb7IwbBziyfmYWUprvC7lfDBRQfEtmsmlPB8oFdAHk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )