UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mehpar0Praz0cWoHks9RhK9aeH4h+tC0iPTouB43Y8E=' 
WHERE 
  key_id = '47c9427285950e443f090937b0a0de2fddc2478a04b5523d1451162479d1f285' 
  AND (
    token = 'mehpar0Praz0cWoHks9RhK9aeH4h+tC0iPTouB43Y8E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )