INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6c3a28a838ddbfd01ed8d71e552894d5356a5cb884dbf971ec4ba60b24a0a513', 
    'ctBcS/wCaffjqpFR81LerzHs5aqcfh67fo8YcSqC63E=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)