INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'c9f71fb03a4163246d05ab0a90245ee6da52330003d11c9223a52145303eacf1', 
    'WDQnzVeUQ0AFpm7+QkytgHFQiqWudKHC0E81grjW9VU=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00022

Result

int(1)