UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'CNcimE1T0mOAt9sfipK6B1QNYmTWEsdp1sQYhGAEjXg=' 
WHERE 
  key_id = '15b6d49ac0aa56032da9866fc0f22776563ff9c21aab0a5a76d5401f36da6e96' 
  AND (
    token = 'CNcimE1T0mOAt9sfipK6B1QNYmTWEsdp1sQYhGAEjXg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )