UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'R18YxpsRKR324Ka97RnV9++mSVQFZuFKl+1eovLNpTI=' 
WHERE 
  key_id = 'fb10a276569c2f6d0897a213dab5c5457800f9b4cdc3a0065171fc01e48df199' 
  AND (
    token = 'R18YxpsRKR324Ka97RnV9++mSVQFZuFKl+1eovLNpTI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00020