UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/Lu04NgTE6Myh8IPYYmDTifOpd5um1CmNt9yKeLWMIA=' 
WHERE 
  key_id = '4a895afb0a52fc63ef7c16bb9a0e640a8d299a81e298fb241b967ac82fffb321' 
  AND (
    token = '/Lu04NgTE6Myh8IPYYmDTifOpd5um1CmNt9yKeLWMIA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )