INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a7b9e4cdbf24d84050fb30d360f762773a849aee0468dc10037259357f700d6d', 
    '76uI2AF4RcCQCKv9x++v0u8hX6F1j+a8jHgPg5mIiJE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00032

Result

int(1)