UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'x6HgejZIGcVEc0Fj5IFnEUnhrnPJZWBlZcDTMFjs+jc=' 
WHERE 
  key_id = '81ef237706f5de238bcf11dbd3e917b71e7bb6876950e6ea81c21aeebca54b06' 
  AND (
    token = 'x6HgejZIGcVEc0Fj5IFnEUnhrnPJZWBlZcDTMFjs+jc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )