UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'plrL3OTMuGJSPDulDN7pWIC48lvtKlQ1YIsu72Erwes=' 
WHERE 
  key_id = 'b50c4c8571136d1fe230ee19e266f5262857a0cd7cdacde761659ce71c56336b' 
  AND (
    token = 'plrL3OTMuGJSPDulDN7pWIC48lvtKlQ1YIsu72Erwes=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )