INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '01511beec859b12cf8e0e8502bcc2b50a3d5c3894d413017a89e47e7cb846354', 
    'TGrjOjHCnn5jd6Els7PhkSYCfNcgrP4BuI8DwiqowAI=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00028

Result

int(1)