INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a3ba14c2082ff53182cd2f0d482a4421466658fd5d08389646891ce8f0ec9f2b', 
    '7b5O+TeOgmOmcBbfNjGt0RLspBNVQjRYrEG9x8ui5EA=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00026

Result

int(1)