UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'n8mne5WznTyyItvWmHXjr2gyjfsKZPmpWD6DeefdCR8=' 
WHERE 
  key_id = '42abdb76765ea527b65813b125389509dcfd1c1aed136faa916d7d324a124f9c' 
  AND (
    token = 'n8mne5WznTyyItvWmHXjr2gyjfsKZPmpWD6DeefdCR8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )