INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '8fe97ae94a4437db97011519667ea36da3e58264abc9877d890e952a9709bce4', 
    '4bXwkVAKS9EMlyzw/8IPrkbNK+b5xp/U03hAz0vGX/E=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00028

Result

int(1)