UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gL2nOdorZ+SNf8eFpytXPiKsQq6wtguQKouyq8TnD9s=' 
WHERE 
  key_id = '6b9e68e98dc19cea5d309c4ca6c8b9a0bfb15981e693090c46e3d997b97d0af5' 
  AND (
    token = 'gL2nOdorZ+SNf8eFpytXPiKsQq6wtguQKouyq8TnD9s=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )