INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '75ec496d8f0284abd5f1c7c1c732ae8574cd288371c6f0c919cdeaebdddfbd10', 
    'EHVhldo6dyYk8AXc3jsl7bPzxERgqzp1kzVJqMr7hUg=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00028

Result

int(1)