INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21f627f47458690d451b9c8dde23db8241e22102f45bd7caa9a9629af3134e85', 
    'l0g5pOSkZjz71tF039rc16Wup0/q7hZctm1Bie7muEg=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00043

Result

int(1)