INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '517fa572004cba8101bc19d0631b1e9bd34008d836f468108754f25feadfd1ef', 
    '5GFJp/iUFsUprmOxTRziorKdng5AXNrJaHj8fJuw2GE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)