UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tP/qazKw+xtDv/O5AWYDdXLFAqvcuNmeffy7GDTDj4c=' 
WHERE 
  key_id = 'bd1387360e855718f63ace230361e9a87e0140c2b8adf42732db73466902ff79' 
  AND (
    token = 'tP/qazKw+xtDv/O5AWYDdXLFAqvcuNmeffy7GDTDj4c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00041