INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '4121343c2de0dfef54daa1729be9c6f538311ec6a1aee878d7f93e72ae538eaf', 
    'KhTlZxQRfrcqhXrsB6VjAKztoi26UcDddQdPQDj1MH0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00026

Result

int(1)