UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6FQ7iqMlb9hTQOLK2NdYQIiyuyVTW2oOeMGr+bjpDtE=' 
WHERE 
  key_id = '27ce5fa5fe4bf72bd62074160522fa590adc61bd421f067298da98b4c759c36b' 
  AND (
    token = '6FQ7iqMlb9hTQOLK2NdYQIiyuyVTW2oOeMGr+bjpDtE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )