UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'qNtaFk5IcPgwc9wfYHWAP0n5n1d7fdODpw4TUBH8G0w=' 
WHERE 
  key_id = '3c849c5886fc28a23186ccde0b891f2fc93aa3036e1532d038607dffc88e4352' 
  AND (
    token = 'qNtaFk5IcPgwc9wfYHWAP0n5n1d7fdODpw4TUBH8G0w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )