INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '249d24d5d4acfcbd77aa3a6976dc1d8560719990690e59906a75fa89380ee0ca', 
    '4UBYNtVJlBWq2Slo1OOnCQaqBVfqfWht3pj9/NwfLsg=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00037

Result

int(1)