UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gv7bwIRt/X34G6o7bDH9KjUGQO7yU8R9LOC+njEcrzU=' 
WHERE 
  key_id = '91b42d5b0a03e83b018223ebb96185e8893651a0144e04f904d36848730b316a' 
  AND (
    token = 'gv7bwIRt/X34G6o7bDH9KjUGQO7yU8R9LOC+njEcrzU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )