INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21fdb8187d9155c16542dda1297477b3c941b5ff53967e8f15d02937616ec1ed', 
    'bI8dbquAePxPjfbDDS1Mk1eeljEVX24zZ3/UvmLHnlc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00026

Result

int(1)