INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '251b8d15f919a29fbebe209cbfa32f61c84b312bebb7b3a5cc9b697455135701', 
    'uOVgHa24RbEe4VIwMwLbVpphohPbiIHPg7QUlFFxdOY=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00045

Result

int(1)