UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RhgXlA7iGqI4erZtmlmRzbId58Jf+J3D4jK5QllPUDw=' 
WHERE 
  key_id = '6b3f051c4b9b0b56849472a15d41c44e87edbb8c3f632c6a44eacab9d74f4776' 
  AND (
    token = 'RhgXlA7iGqI4erZtmlmRzbId58Jf+J3D4jK5QllPUDw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )