UPDATE 
  tmall_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'IceHlrCAVSaSfJ8SNqcPvRtWeUxYu22SQUQVatiMGFY=' 
WHERE 
  key_id = 'a9694b96de573889cf9f9015131322b4c048516d625c07d15a3e33c03c19d02c' 
  AND (
    token = 'IceHlrCAVSaSfJ8SNqcPvRtWeUxYu22SQUQVatiMGFY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )