INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'e991d1267841ebfa072124560e37c197d995d1f4b01c916fce1a968dc64b35e3', 
    'CSk67yfhF/e0npI5Yj8BBhLKEVZmgd7jfOKMvExT9eI=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00029

Result

int(1)