INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '3c8ea8999825021059cf30e333ae7793a135a19b92eed01c9296b9dfcbd2ee9b', 
    'TwCQACFrMAUgxCna6vxvQsdo5NKQbjepwUmN5f9uo2E=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00028

Result

int(1)