UPDATE 
  tmall_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'V1//2Kc9qeEbR3gsP7HJbaV/yBO/VujPBFUwLE0ku0c=' 
WHERE 
  key_id = 'a73185608aac3d64694eda7269b5e6042e92037c840d20cdf6c70af7cbfe8d26' 
  AND (
    token = 'V1//2Kc9qeEbR3gsP7HJbaV/yBO/VujPBFUwLE0ku0c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )