INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '68dda3c08d30fd61e59362e04b888262718d4be3088a4b61fdc57ab96a834d1b', 
    't1ufOT1LGY2bRUDD1PYf8EtYImwsDZGrpHv8Y9Qe2WE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00036

Result

int(1)