INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '15b674a40baa70a66c4537239cae62f00801daa1a59a26545935d9438a6a0375', 
    'UIKJ4C7oApqo1CpE2YMf+pEL1GLmMPBbj9mJLOEMbdQ=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00025

Result

int(1)