UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QdZWkdo+tZbc8kBw0VWXjzHVObReQXTtd/jzmPMOP00=' 
WHERE 
  key_id = '8a520a19fe1f44a72faf30f2649a6507aa49cb5542a26b064b0b44ea18d41cde' 
  AND (
    token = 'QdZWkdo+tZbc8kBw0VWXjzHVObReQXTtd/jzmPMOP00=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )