UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'm900+BGYuUWG5kDF20VUbIygF73IT/JgJpvjYtZYI3Y=' 
WHERE 
  key_id = '855baab5ec1381f8d93fae4939cc7b270382be421e131173414b38e1af9ab335' 
  AND (
    token = 'm900+BGYuUWG5kDF20VUbIygF73IT/JgJpvjYtZYI3Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )