UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 't4ntJ6LsdyR7h0cY2RTxoOgVXusOue7vE171Sgcf0xE=' 
WHERE 
  key_id = '1821db95d41f0728789bfcea6cd36db43361a5e7dece851e4610bd4352021e4c' 
  AND (
    token = 't4ntJ6LsdyR7h0cY2RTxoOgVXusOue7vE171Sgcf0xE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )