UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Bob+VO3yA18hdYlpiO/LiWX2QYSwk7eeX2oCVpfmdOE=' 
WHERE 
  key_id = '59706cf47917623af84bcd79dd5edf4641d6fef697e890e6dbba1715e3d6c878' 
  AND (
    token = 'Bob+VO3yA18hdYlpiO/LiWX2QYSwk7eeX2oCVpfmdOE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )