INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '9b15708329c8816aaf458466259c226ffe88572b950894a71451f34e1d02b598', 
    'hEVTADz36g3KNdmlc9n6spSAwZ8/a72VCLc5nsEazYg=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00037

Result

int(1)