INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '4c1e0dd12f96f531a589fe5e7ca29a1d841fbeaf7a4fd90801d5376f983134ae', 
    'r9xTrvvldFlneMQTR8x6DwAclkBSwAdMacYpVNhLy20=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)