UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6c/tSthshOOTklCATrHg+HgEa53NdnDnL93s4s1oldg=' 
WHERE 
  key_id = '1cb969b7ac6a38dac8322cad884067707772e57e26506afc25572f1d07b01f2b' 
  AND (
    token = '6c/tSthshOOTklCATrHg+HgEa53NdnDnL93s4s1oldg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )