UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Z4yBydZIWYjQ41rTvtCLLQpfbjStUCaQmHAs1TT3cmY=' 
WHERE 
  key_id = '6bd21504887a06929e7fd335d12a0eca9195f37cdf5fc3f244162122119ebe0e' 
  AND (
    token = 'Z4yBydZIWYjQ41rTvtCLLQpfbjStUCaQmHAs1TT3cmY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )