UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '3Bp4fEBQbVW4WasdOaTqVAeQBgdLEiTTBnUx5kPoPzk=' 
WHERE 
  key_id = '51ec59a3ba8b3f6272e6be09c17e3ff0cce255984e81bd1c4aa4e48176250a5d' 
  AND (
    token = '3Bp4fEBQbVW4WasdOaTqVAeQBgdLEiTTBnUx5kPoPzk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )