UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'LrZ3pMrZFx7M5kSYONf77AFMEuBefMw4LNqPyRcF+0U=' 
WHERE 
  key_id = '54e3f438d3abdfcaad9953060b59d9107cfdf52da22aaa56e840fb62616e2d16' 
  AND (
    token = 'LrZ3pMrZFx7M5kSYONf77AFMEuBefMw4LNqPyRcF+0U=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )