INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '3c6d206c0817b4ea862ad14619a5bca303431fbb4fe671b02ef8fcf572213acb', 
    '8etDtyKuAp50EUbJOI1jcd5ODqjIY5fLGszNsB1LwOs=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00036

Result

int(1)