UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RKFLnuKl3mHTPy+sB2q5WlQo9OkREtvNPUTdXVezsXo=' 
WHERE 
  key_id = '74e4bf4e1bea46ff163ec1e0b1ca0b75e63fd6e4cd3313ce733f82a2b632215e' 
  AND (
    token = 'RKFLnuKl3mHTPy+sB2q5WlQo9OkREtvNPUTdXVezsXo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )