INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '509294e2690d72a693e814348562490ef6fb17f8059313263ad63ec616b0c0bf', 
    'Q+HOEDQqTgYXp1Gd717QdCF4BYUE11efEvKT7wlfgkk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00020

Result

int(1)