INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '8303746a8ad8409a18db3ac1e40f646851ccec74e0652df8fdc18517655853db', 
    'hT6W9gyzkRZNxQQ0h1CyH/TVPr9uVxlVwFq3IGi3LK0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00028

Result

int(1)