INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '347b778c3abc8a24b9a3a15d5ba57d195b859f47870ea3399a9c311c01b71cde', 
    '0LZVKpXRHSlRWKCov6sMmD320Gn93nhnWdxHUCMsvdY=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)