UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'AEtMFmzpR+REx86iu3+YwrDCQLIKvYvPQwEH9AFzKm8=' 
WHERE 
  key_id = '1bc4e45b6c9436649983fe07b29e5f8c44f38de3eb3c969474c3cf84c2de4132' 
  AND (
    token = 'AEtMFmzpR+REx86iu3+YwrDCQLIKvYvPQwEH9AFzKm8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )