UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'elkg4mB6WF4VpfQz1SUyHn01H5rHS00w8n7x5JL/dGc=' 
WHERE 
  key_id = 'f15b911e4ca84908564dac7e0f66edf7ab35d740f5368221355584e88a3e3559' 
  AND (
    token = 'elkg4mB6WF4VpfQz1SUyHn01H5rHS00w8n7x5JL/dGc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )