INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a31b3f1f1a9fd5d618839dd5a2d70e20756a13bd4c00cedc8b0720350640f72c', 
    'CcU79OciQSOK0tixxJPF5ZEfPIcslOhhFfa12ecz7uM=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)