INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '15e1d825def1f3cdea677947fd34de2f3d37b0bd955f705399c8011112c16712', 
    '50en+RrEvqJ+Z19F4jgvGqACiaKBeQftXeaMvRdAqbY=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00036

Result

int(1)