INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '3c668843cc82644ebc19a9df88d21566681c18e4a5c64d7f4b8da11561cd2d67', 
    'u0IiUYCO5oySSp938tq78OjfvWS+IuN0jpSzpmvDUTM=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00028

Result

int(1)