INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'c704e0b511e20c44d859ad525789cc3b3ba69bfe5af9988940a423443812e5fe', 
    'RkeCaQRfZ1rXSNcfx/8xkApoLzJEvIbQdlGA/GRpE2A=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00029

Result

int(1)