INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '790b52450f22e959ce40fefe141e06f21e14d12fa5deb5c143447fc28c56174c', 
    'Ex3yAsph+xT5TsAQzadqWsEra3JzZzuF4jHv1UPBy9A=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)