UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6nPfHyji1GqCPyGPVpwMSsTAJJeR69SBLxOcZ9RzEP8=' 
WHERE 
  key_id = 'be81ddfe2ad838e145e876699622b27d1e3b5ed427368f9341d8d7c31762af34' 
  AND (
    token = '6nPfHyji1GqCPyGPVpwMSsTAJJeR69SBLxOcZ9RzEP8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )