UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+CE9pyMiNKLMefM+UgtaDoNDNQXrhkdb5kziJg3fDhk=' 
WHERE 
  key_id = '21c8013a6791dab58063f1a76d38ad7d0bc8702e25d674e72bd3b75bd9eb7a2e' 
  AND (
    token = '+CE9pyMiNKLMefM+UgtaDoNDNQXrhkdb5kziJg3fDhk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )