UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '0AmdwyAFoabqeDTNnMPE5BmcfjQrF5lnpHaaaIhy8oE=' 
WHERE 
  key_id = 'b6445b54749ccf25a3545aaf8bc1415057cfbc2874890c18996a9762f51dc0c5' 
  AND (
    token = '0AmdwyAFoabqeDTNnMPE5BmcfjQrF5lnpHaaaIhy8oE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )