INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'dc7a307763d9f3d54b216a3be870b3705c6ad0b8f0d09f2b43e1bef4850e11cd', 
    'KW2xAHKOCnWWywj8S+UUtdv5tyBIOgkUQU8kUtbl0Oo=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00026

Result

int(1)