UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'OK8C11ZPCMhifPjXLTCvgomx0ghAyzJu1DYvPLxNdiw=' 
WHERE 
  key_id = 'e2aefd10bbaa7b7d9705c6c1f786f33de4b303647c35904c983b55d43234bc8e' 
  AND (
    token = 'OK8C11ZPCMhifPjXLTCvgomx0ghAyzJu1DYvPLxNdiw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )