INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b3e5fb49841b2b444cf2921a1e863adf97e2fd65bdba212d8fa3d74c3a4f8424', 
    'hK51lVa6SmA4qak7nJZye6k8DOCB4d4yPZ3Amy1e1tI=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)