UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/pgYYhE9MNYOFxim99RG3XPfBMDhgEKp8nhTH+PLPSI=' 
WHERE 
  key_id = 'a2c670110264bf0018c96874f165d82e584c290733849974ee0db6223957c646' 
  AND (
    token = '/pgYYhE9MNYOFxim99RG3XPfBMDhgEKp8nhTH+PLPSI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )