UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kkdElaqThQOARjY5rQTK3pzkfgEQ/fslnarOZvM2ktA=' 
WHERE 
  key_id = '6c90c25983df99819ba27d97ba8368d06b79fe95cdd55a45cc863d385464701c' 
  AND (
    token = 'kkdElaqThQOARjY5rQTK3pzkfgEQ/fslnarOZvM2ktA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )