UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'CASylk1lvAOVjs7COT3MzYGr6woiiBNAJ8xm3UxBndU=' 
WHERE 
  key_id = '79d1494c3358f7d0e99b299734f97dda81792d265aa28b4b1f9a41e8a379ef18' 
  AND (
    token = 'CASylk1lvAOVjs7COT3MzYGr6woiiBNAJ8xm3UxBndU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )