INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '50274e9d279426f83e885e6f983c3895be102d30362675ec38057feb338d3483', 
    'Rbr8PsHXObzvvEi24Mkvi8fstr9oRO77VAPKSaHNz2Q=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)