INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '5ddfc4066233ad43a6018ad1ed1707a548affc86d64f4248861b22a6095a2f1e', 
    'UtpAJG0cr961/q4PCQQSR2tMhqSw4rF9jAt6nP5aMJE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00022

Result

int(1)