DELETE FROM 
  tmall_lock_keys 
WHERE 
  key_id = 'c6481e4b931fec0b4e7544089ef91b38a99f140d27841b4b5645abf54164d2ba' 
  AND token = 'RkfCj6b4u97fkp9n+Jxg1Y8rHIbrcardFZ/91TuWz14='

Query time 0.00791