UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'N7XVj25VEhsfoWV7WBD9eeV0xMRgNqq4DcrIqjcIErI=' 
WHERE 
  key_id = '946a5158790af8dcd28101c0dbde5846524004160c930d869ad7e339dba3dc24' 
  AND (
    token = 'N7XVj25VEhsfoWV7WBD9eeV0xMRgNqq4DcrIqjcIErI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )