UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Mcf+SAHMDnkKG8Ca2AqEx82am7mx8dzb6fEb1gU3CGc=' 
WHERE 
  key_id = '6bf7078a3d46a64489309f01fcc998fb9337109e2844efec279c98da3066d04c' 
  AND (
    token = 'Mcf+SAHMDnkKG8Ca2AqEx82am7mx8dzb6fEb1gU3CGc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )