UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UMNxeJc1AVXYA8GsGAVqKTi9mcXJHdO9wUtoHhfEwsE=' 
WHERE 
  key_id = '493020078adc98da573ae5691cf38b94a2797fd777f089b1cecd9655a6d5d02a' 
  AND (
    token = 'UMNxeJc1AVXYA8GsGAVqKTi9mcXJHdO9wUtoHhfEwsE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )