INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b87e3f2d3a58a4d7310c1c73198b3a39f5aa3a31f5d59383d47d6bcace6d6f63', 
    '+A9pQ28NbVO8KaJ37/JFfiDQXT0LvM6nlGjnSCmIa7g=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00024

Result

int(1)