UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'qVw3K4bu95w+8bGYdgQAjFoLX7IxzSykTaDm016Ag58=' 
WHERE 
  key_id = '6ce7ee2a0f488c3ffa2cea517b5b27c8acf4871489971c13e9e3080166ba5edb' 
  AND (
    token = 'qVw3K4bu95w+8bGYdgQAjFoLX7IxzSykTaDm016Ag58=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00031