INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '305346ae833510de6fd44e7b51644cd9bcebd5948d66cb6abd7a9851c1b3149a', 
    'lC6CfxafdWYaCFJpdyACDDMh1hdLeo0kZpGiG229mPA=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)