UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mSAEdJDCbIYRPJj7Nt1F0VtKUUmBTQVcuvRKToa7ess=' 
WHERE 
  key_id = '27fb5ff62cbd694c378ec748c6e615df9350a6d0b6eb8e51bbb6133a9db2bb2b' 
  AND (
    token = 'mSAEdJDCbIYRPJj7Nt1F0VtKUUmBTQVcuvRKToa7ess=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )