INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b6a54ac815679c796c8cb8253629e164a89fcfe55474fbb7f72c924775088975', 
    'OaDMbKfy8n2rrC0fiZilD90KduD7eVDGCUhHKaX3kdI=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)