UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mflwmm9FxK8Ko5p/cMsI34/XF59HEWxNy/lgjDfwPe4=' 
WHERE 
  key_id = '45c57e17479979f373e3deb01f1a553e48314ba7bd8efb1757f6332f74b2a577' 
  AND (
    token = 'mflwmm9FxK8Ko5p/cMsI34/XF59HEWxNy/lgjDfwPe4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )