UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nj1sxaBj5QzoHcfNyVooVb8yB2lnjjexB1ynBGE0UWk=' 
WHERE 
  key_id = '54a67683960c73b926550d90686f876caad721483432daf5607d4f1a79336cbd' 
  AND (
    token = 'nj1sxaBj5QzoHcfNyVooVb8yB2lnjjexB1ynBGE0UWk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )