UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xZBGgehNx50mjlhAPOFXKUHGKzQ+GpUVzxHsvB+9NFo=' 
WHERE 
  key_id = '50b199dfad592b0b933e9001674ac5cde0f4e1907869f0ac32f26e659fad69fa' 
  AND (
    token = 'xZBGgehNx50mjlhAPOFXKUHGKzQ+GpUVzxHsvB+9NFo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )