INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'c3eee9f3e1f459cb7da72a2a161bac3283febf2bc927e801954502cf674552be', 
    'zA6QqBbADbc+Xk6fK0aRkBwKAziEC5I1KX2gdJ9Nrl0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00022

Result

int(1)