UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '79kwTAaoVNFvECHRbczih93fwBUsf6HNtAkr9qtriG8=' 
WHERE 
  key_id = '7b9a8770a2aa38191a830cce5dbf80e31258660c443e9258c68a9380d4ad585e' 
  AND (
    token = '79kwTAaoVNFvECHRbczih93fwBUsf6HNtAkr9qtriG8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )