UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4UCV59lMt0XBffVRLSZdI+Q0SZd0/bIo8Y3HQiTnWro=' 
WHERE 
  key_id = '799de26e8c16cd70e43800eee2df66e1c732ed1956b0b29995534172015c5d51' 
  AND (
    token = '4UCV59lMt0XBffVRLSZdI+Q0SZd0/bIo8Y3HQiTnWro=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )