INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'c6d003676bc41a8c999d33fe843635a399adb635d383a11d619fcd30cbb5bacc', 
    'zA3Dq+tsOGsj1PV8SCmjJyUBKrRyJWlQ/tPhS0GNMhw=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00019

Result

int(1)