UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'R3gaShXOz7Swn3v7uv0LGTdO46EEdyL0qjhVcAWW7B0=' 
WHERE 
  key_id = '6f4ad77651154e75bbea47559abf78311f08e3520f275e5143a80dd5ef0c5636' 
  AND (
    token = 'R3gaShXOz7Swn3v7uv0LGTdO46EEdyL0qjhVcAWW7B0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )