INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '400c28cecda33c321acc3d5f7b6f6a234103e349d90ea9d852db11e69ff88516', 
    'X+6zSoUcm6y8hBIiaT4V8JkG81QPQWVZklokT1768RI=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00023

Result

int(1)