INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b0368a3b1ccd8020a14f8401ba438f8bcfd5a8d7560d96a1306d86b6efec560b', 
    'T1mG5yECXkzCIIYuQkxNqPC0OV0IICirC0vDTnwGXRo=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00020

Result

int(1)