UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RlktxgFMTAkvSKokVtA0rPUaCU4VElrsvMlluDEjroU=' 
WHERE 
  key_id = 'a86840fd502541f2469665ff756f8a6b275c5d2c149e6a497afc331434deb190' 
  AND (
    token = 'RlktxgFMTAkvSKokVtA0rPUaCU4VElrsvMlluDEjroU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )