INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'd21ed875d10b6c71959763c37f53137ce2b2ab2f2491369f51949f2e3daa860c', 
    'McnqWWCXApb9efw31T9KwQDxXUgStMLBJraXnphGE2s=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00081

Result

int(1)