UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'X+PayGp1GInC89Xe4kgMHwYL4J8EKxpt9PUKwGSSX+8=' 
WHERE 
  key_id = '4acf8d8e3a3adb97f0bddf20d6f91ad232ac9710fc3c6a9ad1b283cf9c5fb7b8' 
  AND (
    token = 'X+PayGp1GInC89Xe4kgMHwYL4J8EKxpt9PUKwGSSX+8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )