INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '81c1dccbbeb7abed22508a618de10ca29fc240e027ea231e33703f79d9becf77', 
    'U/b/njclIjwaXkolk9tMdu8Xt8huHuMHw0IMMB9azlo=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00022

Result

int(1)