UPDATE 
  tmall_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '09M2xAXnx57jIxhwUZzTsW3yiOEigczGuyCm9AZqg7A=' 
WHERE 
  key_id = '791d87ceed7808fcaee37c9d830e4b9d8997a02c0ccfbbb255e17563ff15226f' 
  AND (
    token = '09M2xAXnx57jIxhwUZzTsW3yiOEigczGuyCm9AZqg7A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )