UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Kl+QhS5CirwVcijYoILBhp2v/qoXG2mU3VxSiHdhXFU=' 
WHERE 
  key_id = 'f4c6164abcd4ead99f907b35b82c5f7990181643b6f3cce59a1dceb41dc2d6a2' 
  AND (
    token = 'Kl+QhS5CirwVcijYoILBhp2v/qoXG2mU3VxSiHdhXFU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00041