INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '50dbd9f1498a3b0a63a24e5c4a81731d5ce01024d58dfe14a195cd57a6e1dc87', 
    'RqKg34UZvtbZuzriGH1cjMHzW7KaTXgmTLV30xa9vaI=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00039

Result

int(1)