UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QCBx+eljVYG2T1VylLqi5wkreRKr0Rkp8GVoy1FT+lU=' 
WHERE 
  key_id = '1a8189af83b40545407a4357e4bb00ce328316e10af0d6d87acfb711a86ea851' 
  AND (
    token = 'QCBx+eljVYG2T1VylLqi5wkreRKr0Rkp8GVoy1FT+lU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )