UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mdP/MoKzqzdh3MPvTcyuwAPaxf9U6BWk8gKgJdqBn/s=' 
WHERE 
  key_id = 'bb6f77a42df5078398f1969252faa68e53b15944c3906301bd8c87705d0bdbe1' 
  AND (
    token = 'mdP/MoKzqzdh3MPvTcyuwAPaxf9U6BWk8gKgJdqBn/s=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )