UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tlUva1oMivDSF8pfOgBbMFF9sNNRqVveUkCmxgju5oI=' 
WHERE 
  key_id = 'ca37cfe9c4bdd7b12424bbe54b6c92333b076329608199fb47b0a0732d10e010' 
  AND (
    token = 'tlUva1oMivDSF8pfOgBbMFF9sNNRqVveUkCmxgju5oI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00029