INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '38f7f554465096a435da7e9d67eb95127413d9b09d9e061ffce106a985595487', 
    '1egMxfbB1E88rftWSmy23XLYG1GNQHbpY4U9sKET+sU=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00021

Result

int(1)