INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '9728d613628fc5670858f62e815cc7f4ba5831208b54344d465f2cac3aa3ef95', 
    '4p0n6rxaE95xYcUKgFIE/cVPCx+n5//AuM4zNCwTNXM=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00037

Result

int(1)