UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'koVevPbub8KSlKn2E0oicaFxLIKLIy3eXzqb0etVCko=' 
WHERE 
  key_id = 'a644d59d61ffe260995cd17fd818a7b5689c1dee2b4e46303e98daed2950b679' 
  AND (
    token = 'koVevPbub8KSlKn2E0oicaFxLIKLIy3eXzqb0etVCko=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )