INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '28fce703698b8df3a9f62d019ecb7b291d466ef15c73527a7c02645ba99ea556', 
    'r9+ofLt2T5Bt24CgN6Zc9bNfEimkMItRuqXTQ9LbP4I=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00025

Result

int(1)