UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'C9TDUC5yUreQJvvYA5F0NdrKNDc8oX0wkJa/l6iIxoU=' 
WHERE 
  key_id = '1a21339dca22a70bc30bf57b7255071f3535c16e07ef4034498f87218e4f8366' 
  AND (
    token = 'C9TDUC5yUreQJvvYA5F0NdrKNDc8oX0wkJa/l6iIxoU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )