UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KLcVtftgYKG7sTVYu7Ebs+vZ3zvcKYa8oHsLTpwJhwU=' 
WHERE 
  key_id = 'cdde1b726413bb37f456c5efb4009a5c256e77a6109d3ed91f73815ebd28c10c' 
  AND (
    token = 'KLcVtftgYKG7sTVYu7Ebs+vZ3zvcKYa8oHsLTpwJhwU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00047