UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'M89zC3/+2OkyZVZJyyRqx1Mzs9jcOz0MEbL4v7H4WaM=' 
WHERE 
  key_id = 'ff373aa6abea7c3bf1cf43d1ce76d5ead243ceb1f51efcf85a920955b3083640' 
  AND (
    token = 'M89zC3/+2OkyZVZJyyRqx1Mzs9jcOz0MEbL4v7H4WaM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00050