UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'IQ87d3KVttZWDgfgPAK18puwQHCTx/ltxcYNwIU6m/c=' 
WHERE 
  key_id = '18a638b6a786ce97afe6532b2c5e6273ff2b594e1092137a73798db5118e668a' 
  AND (
    token = 'IQ87d3KVttZWDgfgPAK18puwQHCTx/ltxcYNwIU6m/c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )