INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b9ef740dcb3a2679f8f188eb230eeb05ede3c4c81c444ee383a0b49a8516ecdd', 
    '/icneXQwwTAh4US9kauo1nlg0NyJ9qt9FN6IUiAAi5E=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00054

Result

int(1)