UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PR15VQu1FG3PUAGVsnnUHRd8Z1/pOgZmaIIGaDoPucA=' 
WHERE 
  key_id = '338076cc9080ed551566f1962251f2eb2488939787a3a123fe91cd9e200237cc' 
  AND (
    token = 'PR15VQu1FG3PUAGVsnnUHRd8Z1/pOgZmaIIGaDoPucA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )