INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '4c20ffcbe57f82633a8e45b604ad4564795817ca9f008494bff793d26ac980a1', 
    'iVQGC+xHdXLWoihknEIKR1td8getQGmqWx1xi1Mky78=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00024

Result

int(1)