UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'u0xNYprc2VGbSSb/3iQ+XJNafMAYfrhIUfyOopDTEek=' 
WHERE 
  key_id = '4e2b9133dc96e4ca5665964ad12187d5074da6317085d09bb761c5f01c93af75' 
  AND (
    token = 'u0xNYprc2VGbSSb/3iQ+XJNafMAYfrhIUfyOopDTEek=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )