UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'LG/YtncJ7Wo1I3fMm3BcLtC3YPPiuvLxWp+dtAkI/Kk=' 
WHERE 
  key_id = '658aedef062b3d3ceb3e060a32b403f3308b0764ef834a187d87f8b86093ac5e' 
  AND (
    token = 'LG/YtncJ7Wo1I3fMm3BcLtC3YPPiuvLxWp+dtAkI/Kk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00033