UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PL37vMCFuOPWeMtB1wN8QAgrxfyTyDGsSf0gB8EmBzA=' 
WHERE 
  key_id = '79536decdf1b6114f9483d74e111a8f0cb54d26e7f29c917daf2ce44e2a5fe16' 
  AND (
    token = 'PL37vMCFuOPWeMtB1wN8QAgrxfyTyDGsSf0gB8EmBzA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )