UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'n+ZAMhdukg8f24GuMusEI1M87QsqbnzMqBvXSbyShx4=' 
WHERE 
  key_id = 'bc51cd3537434ff4a6aec4c29a8ad2d15c95d816b5e53ca9f219ef3e33c7a6d5' 
  AND (
    token = 'n+ZAMhdukg8f24GuMusEI1M87QsqbnzMqBvXSbyShx4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )