UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ePDdb9Oz2O3Nlq3hSD5sNLBWpERNeMuL60p7bpETQnY=' 
WHERE 
  key_id = '18d2e49b72a01d1d20cf49b4dbffcd9051b9c2d5da52f2c5f50447e8e6a860d2' 
  AND (
    token = 'ePDdb9Oz2O3Nlq3hSD5sNLBWpERNeMuL60p7bpETQnY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )