INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '81ca83d0dba40aeb530b19dd290d6a1b7faf7137014f0d09a1f160615008ce16', 
    'MjnZKYamZ6Qntl1r2awVLW1I0g0jeHJcL6Fx0GDW6tQ=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00026

Result

int(1)