UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'iMBK96C2QYcy5CH524iJADXlZSUgeFTEpoq+gJuYxzY=' 
WHERE 
  key_id = '503d02015c959bb222312e322a57ea9b519930635d0af5e0bd8e0b17a17435d6' 
  AND (
    token = 'iMBK96C2QYcy5CH524iJADXlZSUgeFTEpoq+gJuYxzY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )