UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'n6KWe9W7VHbDZrqthGqdSyVqyI11CUQt17M6wHFXboc=' 
WHERE 
  key_id = '8ab796d81a38d4694ec484b97e2669dace96842062fca4f53c382643c5ba492b' 
  AND (
    token = 'n6KWe9W7VHbDZrqthGqdSyVqyI11CUQt17M6wHFXboc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )