UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'svh2XtSr7rdexDcXvy1TTwPcNDjuJBEjKHkesy3VncA=' 
WHERE 
  key_id = '536b646e98dcf6aa97dd7515d603d8ea16525dc3863de94fb204c8c0367e5135' 
  AND (
    token = 'svh2XtSr7rdexDcXvy1TTwPcNDjuJBEjKHkesy3VncA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )