UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '1ljS5VGaqXdfYeYQEqi0HO5t5bHi3O1zume1y4UtlHs=' 
WHERE 
  key_id = '81bca77ee0fe1ff1b798e2095b2533b4e78329bffaf2467b82c8c74fdd1bc09b' 
  AND (
    token = '1ljS5VGaqXdfYeYQEqi0HO5t5bHi3O1zume1y4UtlHs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )