UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ayDimteF0k4S4rlqdadbBOmPdMtzdUdt1qUr6WVpPaA=' 
WHERE 
  key_id = '6484d28255c8839cd0a709e0d579f6591581ce8356cf97e0d2d1d189fddc6b9c' 
  AND (
    token = 'ayDimteF0k4S4rlqdadbBOmPdMtzdUdt1qUr6WVpPaA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )