UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4dcnmxsxgEdrlrhHE3jC4hojoYaKNfaePwHRBEtlEU0=' 
WHERE 
  key_id = 'd639cf24970c7bfa43cf4fffe35ff981fc891eff09331457315e8d626bb0441e' 
  AND (
    token = '4dcnmxsxgEdrlrhHE3jC4hojoYaKNfaePwHRBEtlEU0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )