UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QkRvFw905wt3Q0wa0bwfcK0x3R7qXBq5pGmk72pVZjA=' 
WHERE 
  key_id = '50f86779549671b085aac615a6ab88f46bbcf60d2a91d314b396c190b20128ca' 
  AND (
    token = 'QkRvFw905wt3Q0wa0bwfcK0x3R7qXBq5pGmk72pVZjA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )