UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4Hu3TBgb7IGwWBbbYQVCNslEUJjVvFivYJMZJK2VQ4w=' 
WHERE 
  key_id = 'b51472a2bd6c289378e198d75ac16de730b273052384f718e1a5ef0dd30e4cf3' 
  AND (
    token = '4Hu3TBgb7IGwWBbbYQVCNslEUJjVvFivYJMZJK2VQ4w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )