UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'I4g/+h3DUA61O8Bhb3JIykkQDyg4/tgGNTsVvi/QagE=' 
WHERE 
  key_id = '520eae5f8c15652c77ded3e2f68bd298e6acdd086f27a85082bc3a2eb2311491' 
  AND (
    token = 'I4g/+h3DUA61O8Bhb3JIykkQDyg4/tgGNTsVvi/QagE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )