UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+R4ybnfE7yd72CXlDPuylHit40kc6cUjJJLTcIivtSA=' 
WHERE 
  key_id = 'e94f8726c4a61d9b174c63e9b35a01485ec7fb7041afba6eb5e6992b308762d4' 
  AND (
    token = '+R4ybnfE7yd72CXlDPuylHit40kc6cUjJJLTcIivtSA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )