UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ClH/GjVC7cxVjXPoN148A3go37jlLsPBEASliuS7EXE=' 
WHERE 
  key_id = '191e78e7c3c9434b793b825de2a9a229e24f5823f991b07f494ccbde63391946' 
  AND (
    token = 'ClH/GjVC7cxVjXPoN148A3go37jlLsPBEASliuS7EXE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )