INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '5df346e530baea181c4b0fb7ed3ec156d4b27b696a5efc2be11b249e2c0353df', 
    'qONw5g9k3zHSelAaZSr39tEPh2n61Nxg5iuZzXhqCFA=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)