UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Ni7Dv9QiJBXPGkxdRH8P07ijIhDwulyxhKszELwA/xg=' 
WHERE 
  key_id = '2db638f0c45eb282ea1c1c9b27cdcfce240acf24954420b938953af1caccaf0b' 
  AND (
    token = 'Ni7Dv9QiJBXPGkxdRH8P07ijIhDwulyxhKszELwA/xg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )