INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '8c30661876a2e727530cba2f036af35d2b2a456ec0d1fbf373d41f8370d64576', 
    'a7VxBr0YN5RohyrTwQny15SsvauiLKhFpjG+vOZ88m0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)