INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6cad7f7729c191123034174210df941478d61a2589b40293fcd3e00b8ed61998', 
    'u6CtIJBoU7l3aZ2KxgxH5dkXIvM/EBp3KqRhsU4jlqk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00021

Result

int(1)