UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ewLmcR6p8tG6PmPA6EaSeUGz1uvfSkIRyNmcKAgGilo=' 
WHERE 
  key_id = 'f2fef4bd6e5a1e39516f34d70988145611254ce7c193a86e2564eadf9864008f' 
  AND (
    token = 'ewLmcR6p8tG6PmPA6EaSeUGz1uvfSkIRyNmcKAgGilo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )