UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'i6XHSyKTwpm3d13jBfByloRjUm2AkWVPdADVnqMJnk4=' 
WHERE 
  key_id = '1c40d3fbbf3e60136e3184de4e19f7b819989dfd16009ca3a6534e9a1f2dc251' 
  AND (
    token = 'i6XHSyKTwpm3d13jBfByloRjUm2AkWVPdADVnqMJnk4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )