INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'e4f374b00454ef222c5d4c73e4e134b5cf527d0264cb94f86a254f09ef976bba', 
    'FlfQJXpNgLdxBD9LaqZBZb0WozN0ixuYvyOCjKc0ufg=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00020

Result

int(1)