UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RZWmlda0II2jaJiJElVKdxuXzKyxwlZgUnV3aIjYges=' 
WHERE 
  key_id = '12cacd0fdc253f233d30f265708561aeb33dea72c1cb704b404280189500bc2c' 
  AND (
    token = 'RZWmlda0II2jaJiJElVKdxuXzKyxwlZgUnV3aIjYges=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )