UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ag//OlEuagLNdoW1HOwvYSdcQA2i5kL5dwDtpKK82d8=' 
WHERE 
  key_id = '159e54c6e84a8ea8d14375c51f6e59308567d4da3f4654409b14289854544990' 
  AND (
    token = 'ag//OlEuagLNdoW1HOwvYSdcQA2i5kL5dwDtpKK82d8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )