INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '3bfdca978bba1f8160d37a9d445c9aa68561e766c6332f1a2e0d2537978da4e4', 
    'GZ7oDsqb+wwQ7h009SKzjzulhwklTYsqtad2XsZBJRo=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00029

Result

int(1)