UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = 'oYKG6KrFWFeFDdmy5qjMt25wwiETpI9KDG8leSqFHAA=' 
WHERE 
  key_id = '6b349011cb329b12ff3adffa083dca54aab0f17ec15c2f8a78edb540da6793e3' 
  AND (
    token = 'oYKG6KrFWFeFDdmy5qjMt25wwiETpI9KDG8leSqFHAA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )