UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MRsUbQVewbCPQV4hbrDFhRL+6GGgpwPanX6vBH2R3PA=' 
WHERE 
  key_id = '2c20f3c2b58a8b92e9c7ff38962328a2dc2d6b4f93aa2a140cb9c6d5cbc5937e' 
  AND (
    token = 'MRsUbQVewbCPQV4hbrDFhRL+6GGgpwPanX6vBH2R3PA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )