UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Qt1L48xiuoGkqHE7hjv6i9p5eDEnmMP0vuN0fKRaugM=' 
WHERE 
  key_id = '4938d7f83c50e3aef77c973cd3392d8eee3c5dc20f64d8368262ab3d99f04a23' 
  AND (
    token = 'Qt1L48xiuoGkqHE7hjv6i9p5eDEnmMP0vuN0fKRaugM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )