UPDATE 
  tmall_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tHuPyuzO37tXlhC7EnzyOM94G//hBnkTJg7sdYgiWeY=' 
WHERE 
  key_id = '021ae453c9d5ba9c26bb3e3e79c913ef9f65fc1ff08b30cd4790918b3bfbe44f' 
  AND (
    token = 'tHuPyuzO37tXlhC7EnzyOM94G//hBnkTJg7sdYgiWeY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )