INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b0b35756e009960769810bec4db36a96a580aebd56e8e11e06a8df42025c7b1d', 
    '6LPKaeXVxd8w++oQlswqm/D44z/2sGa8TG5JHrV004A=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00035

Result

int(1)