UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Uvrp/f4vagA+qkYOZPyZeVsOFXbvIVn2vN33ITV6NCU=' 
WHERE 
  key_id = '38e8dac4fd7eaab9f761e2fc250df92a64aed601af2295b590b4dbb0670d5896' 
  AND (
    token = 'Uvrp/f4vagA+qkYOZPyZeVsOFXbvIVn2vN33ITV6NCU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )