INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b374328479515a41c2f346e7e28f7ca3e47dbec804271165c8f7b35b4039e284', 
    'Vk1preqdYoi0v0OaFId0P/tqLU52eYKZOH317vQgOi8=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00044

Result

int(1)