UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MCR6jvWbahYIM3CFFOy1xxY9fkGBP69JCkJrPFwS1z8=' 
WHERE 
  key_id = '6b86436a499f0b51e9f5afd83c7ebe20010e408877799681b1862048452f5ff5' 
  AND (
    token = 'MCR6jvWbahYIM3CFFOy1xxY9fkGBP69JCkJrPFwS1z8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )