UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kR6YF4ooeR6k/8xKWcr8eqreFXuUBrQbuYez/lJ+HIc=' 
WHERE 
  key_id = '7821d7761488da6e1a54ad245c3a194311054c1b2aec647c7f670a748b09b712' 
  AND (
    token = 'kR6YF4ooeR6k/8xKWcr8eqreFXuUBrQbuYez/lJ+HIc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )