INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b31952cfd4b4a07d97b8b5a592c898cfb0ded1c1013a73a344392795efb40335', 
    'CIwUG9ffZPYmYvWmajspzkrYy0elXaa8pXGDtoglj0Q=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00021

Result

int(1)