UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'L1k1WWqnJdhNMDKBf7hSfDF6HaU1nBacvgfDnrG1Ilk=' 
WHERE 
  key_id = '28c7df2e11b6e8e48143965392f5a0c8401343bcc404afc7abf9e85750c2f4f5' 
  AND (
    token = 'L1k1WWqnJdhNMDKBf7hSfDF6HaU1nBacvgfDnrG1Ilk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )