UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'LCf/Dy+AZU77G5y8wvs07EoALOm2hf8ZvGsUUUwfi2s=' 
WHERE 
  key_id = 'acc2baa8ef65cf4719ed619d12acd98f302214f44bb66430a1f14dea03af3a7c' 
  AND (
    token = 'LCf/Dy+AZU77G5y8wvs07EoALOm2hf8ZvGsUUUwfi2s=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00022