UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '2GKfPDKwulKRzz37w9Y5eNZ721hl1WxWwu057wY71QM=' 
WHERE 
  key_id = '468bfeb2ea649405f135841172d09deac5ec9d1b287265aae506e339af5520c6' 
  AND (
    token = '2GKfPDKwulKRzz37w9Y5eNZ721hl1WxWwu057wY71QM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )