INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '83a8f4d237fd799868672d1aed83a0db89c03f3db53aaf80555017b8c1e2538c', 
    'ZWn8VCDDssJz5lCQFiHiqiR2ujkbzis9CPoRGlHebxA=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00029

Result

int(1)