UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Em4cPSKzMkRZdfzhij8uRDuQSTxCrBM76x7bXsH0HLc=' 
WHERE 
  key_id = 'c592e20889faa85fa2f1b1d14179edb1303665ac18215a28d8b71c8535c2d7ea' 
  AND (
    token = 'Em4cPSKzMkRZdfzhij8uRDuQSTxCrBM76x7bXsH0HLc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )