INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'ef1cafc88f08aa5945e903e14d14f2701d0abda4e286d7e3d25766232394b6a6', 
    '+1LSlUx0E3wKO7XyKE3jkLpgTNvR7r4HZEK9IlDSbno=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)