INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b6696f8d96b3a4c1fe0d2b654432228731929b96c59abdfd8a6207f0414234af', 
    '0BDYF43aQ7vVXvMe4viwDS4vc5KNNdzSmk6dfvokedM=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00023

Result

int(1)