UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Cu+zThCjyqjiEGw6heSqaCN6NeayhveFr98PmFTeGdo=' 
WHERE 
  key_id = '1c271d5124ab5eb71ac8c858d474128b4d8586860602a6a230e38d530ab5ad19' 
  AND (
    token = 'Cu+zThCjyqjiEGw6heSqaCN6NeayhveFr98PmFTeGdo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )