UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'YjTRbpHa6hC1jNWFNnPCKu6QMES9zh3TxRw/OxW+idM=' 
WHERE 
  key_id = 'ac6f35d2febfef4a2e766e4d68d3fbd5f2c7440f4f6014efc56ebe5859987314' 
  AND (
    token = 'YjTRbpHa6hC1jNWFNnPCKu6QMES9zh3TxRw/OxW+idM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )