UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UMRjzGHExb1qPoNgPHdupbaZEYjoRwIp3VSEPeW4Edw=' 
WHERE 
  key_id = '8d90c1008137b2f07cbd96de5a9e8d73a87dcaa98485186fead659e05105a4b7' 
  AND (
    token = 'UMRjzGHExb1qPoNgPHdupbaZEYjoRwIp3VSEPeW4Edw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )