INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '51a35edc6cc6e3420d77bb3cfb9f0b02e13925c5d3f259b9a696a7f125495e4b', 
    '+HgFWPKvqaUNJVQLDcmGT282CtLPq//thZtFscb6+3g=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00029

Result

int(1)