UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gPxn+7eWO8doOHzvEuFsDLHEq4DYNyNux9iyWu0sF2E=' 
WHERE 
  key_id = 'e9c3275a1118a4c163719c79eae4df728843492f1ce7fbbd350e7322696a1385' 
  AND (
    token = 'gPxn+7eWO8doOHzvEuFsDLHEq4DYNyNux9iyWu0sF2E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )