UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BVnKxl9RnsfgHt4nUw/Op24rHkEeMJwAP0sk1lDOXLU=' 
WHERE 
  key_id = '7f38fdbae211ab1c3f6efd0d45e6e68e88ede027fcf9fc2b25bcd56e2df8f4d8' 
  AND (
    token = 'BVnKxl9RnsfgHt4nUw/Op24rHkEeMJwAP0sk1lDOXLU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )