UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '91RcP6gcXgvwHXqhCksByzpp4lKsMx1Z5MMhwzeMnRE=' 
WHERE 
  key_id = '18269cc7f86e4a9aa97ad7d052f14ce9b407978403ed322714870dac6917f7aa' 
  AND (
    token = '91RcP6gcXgvwHXqhCksByzpp4lKsMx1Z5MMhwzeMnRE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )