UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'G839dVrADQpcOJD9+Ghs6iuh7r4nA/cNNkpNLTrtqYU=' 
WHERE 
  key_id = '940563c144b90d57c39f66cf4306979e4a61319bd769c2a22fddd87946caa234' 
  AND (
    token = 'G839dVrADQpcOJD9+Ghs6iuh7r4nA/cNNkpNLTrtqYU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )