UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'dFjQ8uL76d37cC+hcFOBXuvLvIEm0JHGp9dpvQTOJVE=' 
WHERE 
  key_id = '81157551b00275d7786f5ed7f5eb9c509a0cc335df203daa70ec930ca5c554a8' 
  AND (
    token = 'dFjQ8uL76d37cC+hcFOBXuvLvIEm0JHGp9dpvQTOJVE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )