INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '9db1233e44ff1bf03d4e315499ad2ca973fb7ccfe4793edd8d5be3af0581df9e', 
    'HQhwPNUkslNpvuXH7P+jt9oSVFI1xYknJRcExXiOMA0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00021

Result

int(1)