UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RD5Hn2hVfpttWgvh9YcdvFP1iMCKONbFCCSU2cRrva4=' 
WHERE 
  key_id = 'b5c1ecd15607d8ca3802e8a05d31865ec4749c6632234f26d25a51973d558e7b' 
  AND (
    token = 'RD5Hn2hVfpttWgvh9YcdvFP1iMCKONbFCCSU2cRrva4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )