UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rfFs/U/g9tjwvGPgG+TzGbtg+B2dYUeczT263BviiSk=' 
WHERE 
  key_id = '7c4a8fd95a9334cef2a3899a05172dcfa36337ef2af763b95508e82e502303be' 
  AND (
    token = 'rfFs/U/g9tjwvGPgG+TzGbtg+B2dYUeczT263BviiSk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )