UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UyxS6LbdPY8wBjN14X2xweNj6yIcXEcb1OZgxUKbavo=' 
WHERE 
  key_id = '50bc7b7272034e3c6ffd483111651e3851571371cb23907f22b133a001693a61' 
  AND (
    token = 'UyxS6LbdPY8wBjN14X2xweNj6yIcXEcb1OZgxUKbavo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )