UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'aV2JFNn2+jTsy5Gljsx8XnbArqvA8SCJkGpa1KJFGFE=' 
WHERE 
  key_id = '6987a4d6bb8a115f8f88eefee5f7dd2db96e04a97cff82ac69922e5df7015f11' 
  AND (
    token = 'aV2JFNn2+jTsy5Gljsx8XnbArqvA8SCJkGpa1KJFGFE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )