UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Iwql2SLiWZrw4mMkSJ+zDijMg4fYutmtq1OcDhvMRRA=' 
WHERE 
  key_id = '693d003aefeaa483a1a2dd48d8affd4d97cc5ac09f937ff60e31e2f0853b7d27' 
  AND (
    token = 'Iwql2SLiWZrw4mMkSJ+zDijMg4fYutmtq1OcDhvMRRA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )