INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6875875aeb906a08a422037821ed7858d2e5e47f5261a30535feaa0e89088749', 
    'f0guzv3kX8R/QFYELvMcFCsgkZ8iVWKaxfFfxfPCWVI=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)