INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '3f8c5c2ec72612185887d1ba2fe6ba8febddd24b778749e8d009d888b089545d', 
    'dg9IGhRl6CiaGKrS7pojEtBxqzYOH4Zmv9SXyp8YWV0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00031

Result

int(1)