UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/VwDCHHeDrlu7zsP/NBkHVaX4kF1UmoW68mpLMiuX4M=' 
WHERE 
  key_id = '81eac95e15cf466f89c4c1c85c7851c6b3f8b13eff773dbb3a540e0a45f27fd8' 
  AND (
    token = '/VwDCHHeDrlu7zsP/NBkHVaX4kF1UmoW68mpLMiuX4M=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )