UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'IzaHI6OtC1QI4FzZqshg3oVnLi6NIgCGJDncas+KQ48=' 
WHERE 
  key_id = '15d1bb7e27e25a027ba34c9c7ca962baf464ec35e4f393e97087c3deb0d115d8' 
  AND (
    token = 'IzaHI6OtC1QI4FzZqshg3oVnLi6NIgCGJDncas+KQ48=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )