UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 't+C+LbXI2nco8QQusSKG2w6LlzEEyzz4fIaIZiH36gI=' 
WHERE 
  key_id = '283e81ec80b169ecc12b5e849d7dc549effd2cccbaa0d365a59eb7ac3e1df84f' 
  AND (
    token = 't+C+LbXI2nco8QQusSKG2w6LlzEEyzz4fIaIZiH36gI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )