UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/Da4FBJ6RI4Y7ljO6sntavJUFrBAvY2vkAsE1pDpZnE=' 
WHERE 
  key_id = '5849549aab2f257b9b3a336a6a0c402548b4009921835807a6003fe683c89298' 
  AND (
    token = '/Da4FBJ6RI4Y7ljO6sntavJUFrBAvY2vkAsE1pDpZnE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )