UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'FuGhk473f0HzQHDJDaj1imG2lnO1OXdq729P2VCZY4U=' 
WHERE 
  key_id = '821fd10cfa1496f1da7ac16a4f5e40191a3716f574c1a67b809016e7e0b51866' 
  AND (
    token = 'FuGhk473f0HzQHDJDaj1imG2lnO1OXdq729P2VCZY4U=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )