UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WGvkmsExqEDzbWLUEt3HNvHG3gDtTZb1c46ktD8pYlE=' 
WHERE 
  key_id = '77b81173d876760d74f720317de766597d25eafa98eaba9902c9272bda85cc39' 
  AND (
    token = 'WGvkmsExqEDzbWLUEt3HNvHG3gDtTZb1c46ktD8pYlE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )