UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'M7StJ8pAgeJcI7mG1N7HrYEBwchujC+dyS3txdav1+Q=' 
WHERE 
  key_id = '4c0973732ec9f59e7020e1ff9ccf9662e757eb00f3943c12278a7a05019f079e' 
  AND (
    token = 'M7StJ8pAgeJcI7mG1N7HrYEBwchujC+dyS3txdav1+Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )