INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '512f10fdc2039ad57a6480446196cf62f79ed49939e038bc1403bb773b1041c4', 
    'IcnmXvvg5mDBpJI+nKaDyLg6bViqHkvbOD27xbCAvFs=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)