UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Pp4idHyuGWKw+Fq7gLB5gWDYjmbaYRxMnGArrq7DKmY=' 
WHERE 
  key_id = '93183f942fa01ab0a950e39cd0a91234f8a76f328453b7b7a868fb0179c79b42' 
  AND (
    token = 'Pp4idHyuGWKw+Fq7gLB5gWDYjmbaYRxMnGArrq7DKmY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )