INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '4e21a591b101276faaee087e72255f7d28f17c8509b97f0209596c9b193e4cc6', 
    'nj5NyLBSl04tziF++NddpkiDbDezAZoSz8VigwWcAMA=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00021

Result

int(1)