UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Cm8TnWOKMd0E93L48cFs5J4RzIuHC4sI3sw9/UlWSwc=' 
WHERE 
  key_id = 'edd0c031f6f0a0635f602d2e14b45221efce84bac0f00b43be08c4db8717737f' 
  AND (
    token = 'Cm8TnWOKMd0E93L48cFs5J4RzIuHC4sI3sw9/UlWSwc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )