INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '516611e500f8481007fa513c2f561f308b14805ceccf96c58da094a26fe2f3f2', 
    'mw9CW54uI3lyakcKNFAyk4T8vEQNmVfyylxr0SoiyuI=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00031

Result

int(1)