UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'r9VG4LQk3c4Fw/q1FpOKqWWMv6U2HxPTZEPRfeexiEw=' 
WHERE 
  key_id = '51003e7c278852b8a6c3512f4bc5208337bc6dfe6ba520e470f208f084417c1f' 
  AND (
    token = 'r9VG4LQk3c4Fw/q1FpOKqWWMv6U2HxPTZEPRfeexiEw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )