UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'scTQZZfnqVKHyJfH2HiWtGGCRVKbwJBX2mngcfWRMVQ=' 
WHERE 
  key_id = '768b6137098966b903cb2e7e8eb634903a1493374e267ae254d10c3fcad9c2a9' 
  AND (
    token = 'scTQZZfnqVKHyJfH2HiWtGGCRVKbwJBX2mngcfWRMVQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )