UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'iMk1WqBwk9YJEejks5YwJERjMU3tYnIHyDUwarPTeR4=' 
WHERE 
  key_id = '18ac4e687f7808688f1a074117e932e32503ea32b364646e21cd3f6caa08451a' 
  AND (
    token = 'iMk1WqBwk9YJEejks5YwJERjMU3tYnIHyDUwarPTeR4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )