UPDATE 
  tmall_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'TJszGaSGA9pJlfZbc1MOvh/s/uAwhhNJGoKT7Ha08tw=' 
WHERE 
  key_id = '68a5e3be145e7bdf050b8859cb7dab97248a0048337f2538e18bd9be21a4126e' 
  AND (
    token = 'TJszGaSGA9pJlfZbc1MOvh/s/uAwhhNJGoKT7Ha08tw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )