UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a4xlhkEayP3I87vr9QnWMlBXBHkqGsVk5sIveKtirww=' 
WHERE 
  key_id = 'c8f405d30c37a69138814264b69dbcdd4ec075e3a5fb346c3af27bec254923c9' 
  AND (
    token = 'a4xlhkEayP3I87vr9QnWMlBXBHkqGsVk5sIveKtirww=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )