INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '375d4e47b541a868f8577093c7ce8064eb2fa27b4ee33299032fa28fde080f48', 
    'IL5PSzwN10G8OlFsjmJEbg0ietFWkkvsvpzCCKhDu0I=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00023

Result

int(1)