INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '306c00e46659bf987862ac3552c52ed9f6ab81e13779d8c369e88880d6b699d1', 
    '+Cz328w1t9xLr/sO+sTBBsK2FO936mcEKOeAM10QngY=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00029

Result

int(1)