INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '54d2666478620342dc259f741f91078ad35fe06de72d5a088a26b0b1d3a77408', 
    'U0CTe5hN3jseXynSzfrtIMeIa2dMAP6hlqc0eo1x7gM=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00021

Result

int(1)