INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '81550dc4cd951d3784c608d27fd82995277ab7c57398ddce563701a487fe85a2', 
    '75EAwIQKKEUMt88BKxO3dp+2/G9fP30ag6lwvTzlDww=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00022

Result

int(1)