INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6e28b64256a3de63eaa46fe34393ccc58f1556cbb9ad21f2117d579d95fa324f', 
    'u02QvfKEg8TIJlp9OK0vPd0H14lxzPcspG0NNbeNrSU=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00025

Result

int(1)