UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'k/IhHzFAlWxxrXY8h8VseCBgAAs3uJMGERzyYpujw+Y=' 
WHERE 
  key_id = '40f838ddb0aa1ec204aeca5f58b337abeb566b3dd69b6aa195dcba1806c139a2' 
  AND (
    token = 'k/IhHzFAlWxxrXY8h8VseCBgAAs3uJMGERzyYpujw+Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )