UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QWVMEDrqrPMOSnA8wXapGxd/WoPkibXI0s1/UtWgxrk=' 
WHERE 
  key_id = '74736e6d1efc62e6abc2c763e19580c90882c0c2773874379dde5468378812e1' 
  AND (
    token = 'QWVMEDrqrPMOSnA8wXapGxd/WoPkibXI0s1/UtWgxrk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )