UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'A+cokOkGXwEGaZwkZxoJVrdh2E4KjizYZcDF4eu5jEo=' 
WHERE 
  key_id = '9a2387cafd77f6be7a54e186ebe683092a273f9a131d4659a5c5a8c73056e86f' 
  AND (
    token = 'A+cokOkGXwEGaZwkZxoJVrdh2E4KjizYZcDF4eu5jEo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )