UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '98zmmh89vb0Y0Re+kJv08+cp+8y10EsVtiBiStz0OUo=' 
WHERE 
  key_id = '8a02729b088cf778f1e72cad056ac6ebd10a1b78337077575804a9faaeed2827' 
  AND (
    token = '98zmmh89vb0Y0Re+kJv08+cp+8y10EsVtiBiStz0OUo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )