UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'wAlKRksaDr2YYSJbzfqu+bIgDOAaAz6/lX3UlnmE1OI=' 
WHERE 
  key_id = 'a1cbb98081d8c26276ca6eae379347a852d15bc0683d8fde53a53597d1a2ef28' 
  AND (
    token = 'wAlKRksaDr2YYSJbzfqu+bIgDOAaAz6/lX3UlnmE1OI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )