UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'TxrpSTJGhEiyWx9cN2kBny+qcDzgWjlKyJ+nHpId5lU=' 
WHERE 
  key_id = '270acddfae4e7eeca7e431cf8f8a22e7e7c629b675ec63faaedd814e0244fd6b' 
  AND (
    token = 'TxrpSTJGhEiyWx9cN2kBny+qcDzgWjlKyJ+nHpId5lU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )