UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'uvant3fNvnqJi8fGhJrDRSlTo8pMfGDulK70o/JXjaI=' 
WHERE 
  key_id = '5250495acb1c8e3508be6a3a63963d592a97d38c1005002757ba624f7cbd6563' 
  AND (
    token = 'uvant3fNvnqJi8fGhJrDRSlTo8pMfGDulK70o/JXjaI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )