UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Tn7uMsQyOQvJmg3bZ+WuSu1wAFmKP9S8chpxLrF9tBM=' 
WHERE 
  key_id = '4df38c08aebff5050a5a481a9ffcead06908f045897a16f297a13c3849778004' 
  AND (
    token = 'Tn7uMsQyOQvJmg3bZ+WuSu1wAFmKP9S8chpxLrF9tBM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )