UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'qx8ZM7p3dZ8ocCQ19I+5ngnlD/rdSAe06qsSoVzN1QY=' 
WHERE 
  key_id = '55a251b28ae97e7849255cb92c12484464533c25f3b5beeacf45794aab64434e' 
  AND (
    token = 'qx8ZM7p3dZ8ocCQ19I+5ngnlD/rdSAe06qsSoVzN1QY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )