UPDATE 
  tmall_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'sr4oQ4TGF/CVN/X1VT7c78Wf+cwm1UwOAW1HcvLSlS8=' 
WHERE 
  key_id = '42b6d0d4ac8ce6d7024e01e05eb80b42efa08bc9fac488d9a56091dfcace82ac' 
  AND (
    token = 'sr4oQ4TGF/CVN/X1VT7c78Wf+cwm1UwOAW1HcvLSlS8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )