UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'uslRWV4L/480RrdGue7KPUz2WTeGjWNkA7NZ6/AXBh8=' 
WHERE 
  key_id = '51d958c03aaf0d3a3c3030f1ef71871725b504d4d74931c6f24b51b25870146b' 
  AND (
    token = 'uslRWV4L/480RrdGue7KPUz2WTeGjWNkA7NZ6/AXBh8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )