UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RQ5K+P+N+iJM0MZbqqioCZNHSPwvdpBcNGnVpFsj4F8=' 
WHERE 
  key_id = '5851d454e92363e4c87f3c22fe7b7733deaf911a60c9c52510f885c3d0f6e470' 
  AND (
    token = 'RQ5K+P+N+iJM0MZbqqioCZNHSPwvdpBcNGnVpFsj4F8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )