UPDATE 
  tmall_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'R2w7/SO1Ro3Udg8dCpEIcurxBGIeXF98dVzWbiQRmZM=' 
WHERE 
  key_id = 'c6cd86bd19f5f555759e3e8c2696e71d7c398140babe49b29c769b9e50462a2e' 
  AND (
    token = 'R2w7/SO1Ro3Udg8dCpEIcurxBGIeXF98dVzWbiQRmZM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )