UPDATE 
  tmall_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nwnaXhe5AujmXje0pgEvWNvkOwhgQct6CmqmonhxzPI=' 
WHERE 
  key_id = '15ff6551de5d717806f1e1d3a6ed98f9c9f708309f5ca376ffcb1597f5951771' 
  AND (
    token = 'nwnaXhe5AujmXje0pgEvWNvkOwhgQct6CmqmonhxzPI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )