INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '23d92953a762d877e17b1fe53a5b347a7ba6b1da7754f5cf93fcf0299509a382', 
    'ffVnGAqIg16a8VjLD0TTCRFxjfhUPloPZRwjb4dtCUc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)