UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'd5T8clv7CPlOdW4LS4k5I6oWjrLUTHDLVjModRxBiq0=' 
WHERE 
  key_id = '6e68af9574224710dbb2ccc4c9f683fce056bc51d3856601889f0b0a630bda4f' 
  AND (
    token = 'd5T8clv7CPlOdW4LS4k5I6oWjrLUTHDLVjModRxBiq0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )