UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PLab1bynBMTzHyoK3vSsznayWzSTyF5v4k37P3fc1+A=' 
WHERE 
  key_id = 'e555819853d1129d3487b26bf5223923a34ce87261a86c475455ea0a336111d6' 
  AND (
    token = 'PLab1bynBMTzHyoK3vSsznayWzSTyF5v4k37P3fc1+A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )