UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'HwJdaMpwm1MZ5DCHHVrLfeLBFic3eGwiJ28FulCjoCU=' 
WHERE 
  key_id = 'bedda11e50f32a468f4c67a5b52aab6cd72980509d0669d9a92dbd9147030608' 
  AND (
    token = 'HwJdaMpwm1MZ5DCHHVrLfeLBFic3eGwiJ28FulCjoCU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00046