UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Gr9w5u/FklypaFTswISNMltlgjRPEVq3ELZxPGOOCXg=' 
WHERE 
  key_id = '8641d9dd56c24c5ee123d09f50aaaf839fa2a84936b7accf1c5c955c221eb213' 
  AND (
    token = 'Gr9w5u/FklypaFTswISNMltlgjRPEVq3ELZxPGOOCXg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )