INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '15cdd5fe55a545fc6a8dd5f33b72329d249e8d7af28d19f714b2dd704d08aacd', 
    '5lxbvecwHz3NkUC0tIZEDgjRwNrL6/RPkfmwj+mGRe8=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00035

Result

int(1)