UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WMygqFiln/5fuDTpMjhi7sEylIgsAxMgqvquOBn52ZM=' 
WHERE 
  key_id = '1eaa18a0bf0dd14cb454fb82c519bb997d897487d992ab1e1fa92a9848fd3a2b' 
  AND (
    token = 'WMygqFiln/5fuDTpMjhi7sEylIgsAxMgqvquOBn52ZM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )