INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '4e8f23878583a8ae30fc2b168ad5f9d0870b7188b5e4c9a063bb01a136bc8637', 
    'NL3NExPzD20rPLhlJHLjQktlGJ8Dd8LzobXKxg/EwWk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)