UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'l8hRHBoXqPrzOdZC0i83GSHQnVlIR6toF6lw2PjgkB0=' 
WHERE 
  key_id = '473d82b2e8a87298d1b74834eeb03e880f734990f577aa45c23242cee6a1921b' 
  AND (
    token = 'l8hRHBoXqPrzOdZC0i83GSHQnVlIR6toF6lw2PjgkB0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )