INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '756b2c4eeaa5c567cf359d486d29319f29072fdd84044b135fe521541fd21a2e', 
    '9u5MLba/A7EMt5xxssNXWjt4meWmXRRmJeXxfi4VBeI=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)