UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'S6G4w7TjkBb3gnXBFpPxlE6WJnCdrH7EimaFydvJazM=' 
WHERE 
  key_id = '4fd172af2c507fbe464511434935d266d427db013ee36f770cc417d1dd9dc8c3' 
  AND (
    token = 'S6G4w7TjkBb3gnXBFpPxlE6WJnCdrH7EimaFydvJazM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )