UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'L4WFVyzwbHrqNVP2RN06GfPYiKy8UvXrmPEecon9kgc=' 
WHERE 
  key_id = '1515f2dd78e078904b1c79aa1ebc8a87e76fdde79cdfa10ec191bbedf8fe72f5' 
  AND (
    token = 'L4WFVyzwbHrqNVP2RN06GfPYiKy8UvXrmPEecon9kgc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )