INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '9b3b2f76b52a99631b746da919a60014b2f8149b3ccfa5b8e45fe2c0ebb5488c', 
    'DVusUF03kLQLwDTEFJGFrK4wasksjrHzp6D1mdboupw=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00022

Result

int(1)