UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'SR98D4HWyclCYutvrU4xxR9dGvJYtpLDq6L2VzjYMcI=' 
WHERE 
  key_id = '759a28eee9e73f3b3bdc68315d3c35854187f446f0608d2d6abe8497513a5a73' 
  AND (
    token = 'SR98D4HWyclCYutvrU4xxR9dGvJYtpLDq6L2VzjYMcI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )