UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nC83Abn1TJ52ENvU7fh2WyJKnTQMqzq1qu3X/EFY27o=' 
WHERE 
  key_id = 'e14ff2c4fe177f6f259e27c625222639c2680bc63777b429452a533447e48d9a' 
  AND (
    token = 'nC83Abn1TJ52ENvU7fh2WyJKnTQMqzq1qu3X/EFY27o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )