INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21791c12e789002ddfde186bd1332f514286e8adc0b1b14b837c5e1e8181d2ed', 
    'iwiMSXNeF6Rui4IVaUjckan+b3yhppVkTPTN8gJs2pg=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00028

Result

int(1)