UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MdzFYQsl2ibLLo6hNa3O9E8UJt4cPSBAVCOtSs3seA4=' 
WHERE 
  key_id = '8eef1bfe18c7c2d9950502bee21c1c69b0d8aeaf5144f8d57218c91a5c68e18a' 
  AND (
    token = 'MdzFYQsl2ibLLo6hNa3O9E8UJt4cPSBAVCOtSs3seA4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )