UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'qSaLPPHn1PGos60o+Ebeg1nwBT44wVM1SL3YOi8YF48=' 
WHERE 
  key_id = '3b909cc99f68c029692df9052d03704a9deacc4273b3b22d68c3f498d6df8f0f' 
  AND (
    token = 'qSaLPPHn1PGos60o+Ebeg1nwBT44wVM1SL3YOi8YF48=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )