INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '3a93f94680484e6479e0bdc78bf42529a65b264eaa5895a4207230b287a9948f', 
    'KucsgSK4g0JVW5mR/vWiCwf7L4Lr2T0cnPbDerit1Ig=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00058

Result

int(1)