INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'ffc7ad2b111722e96bb33e04cea7431a974de0686403d3224a68812532034d18', 
    'U2UIUwyefABB5n3jQOocTjKuJK/FnLhUdqBjg3sMaFk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)