UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '2HemzBvRNTbeAnW6SWosQ+EDKaUg3gGz60jAL1qtQyA=' 
WHERE 
  key_id = '2786fa3946f9822be838a2e85fbb2558483e430abb26094da65bcaca557a6c3c' 
  AND (
    token = '2HemzBvRNTbeAnW6SWosQ+EDKaUg3gGz60jAL1qtQyA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )