INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b2e2b231de7eee2ce3c1a2739408fbf7e7436c90f28e3143a33625b56a70b82d', 
    '1NXD7tdLABPPbd4HU3QWKsAaycyTiipUVjT8diIrdT8=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)