INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6b5a9d004fdb8414f99044f090374d7e6d36b458eb8ad037afed9a9fe125c83d', 
    'i6I3OvabfNJnZXFEYhlejQ4oeGD+skSj52KXBpTcvI0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00028

Result

int(1)