INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b12b69cc81a9f7620e9e20375998d64c71b99f40cffdb2223332bd81c2393468', 
    'Hx4knPbLLyoEis3hjyT+ZEhSCIHxhf6JRIBKlpIz+2w=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)