UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nxvsDuVUpZdQJwZR23SWEtQi5bSE33hwzvZ1bh0tJo4=' 
WHERE 
  key_id = '51498595c5df2cc54f4972c437b354446cac3f2dd00df36487e4d2021b4b56d2' 
  AND (
    token = 'nxvsDuVUpZdQJwZR23SWEtQi5bSE33hwzvZ1bh0tJo4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )