INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '81416983fb05a2c0bdaf7a833df3238c148d8c265e3ad1dab45ddfc659447946', 
    '7u53cvbpWDW8fBxRnz4+IqoOPJPj7ncfxiqoXNjdznk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)