DELETE FROM 
  tmall_lock_keys 
WHERE 
  key_id = '21d31123e0c93dceba2b78db93f0c28a0509a41f3924717ec52103bdc122782d' 
  AND token = 'hUFVGGlF6qES/l0NK8OfHVkgpBP1dOKm3f6cNymjYiM='

Query time 0.00793