UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'dUavdR/3JYEscuM4DfhQLhQCfc8WtVmXKh75GBRj4Ac=' 
WHERE 
  key_id = 'a6f88cbf7058c45f936e8aa89bf8b1930f0df5a613fd954de8a267de6f0b3c20' 
  AND (
    token = 'dUavdR/3JYEscuM4DfhQLhQCfc8WtVmXKh75GBRj4Ac=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00050