UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mnRHDSV2r4J+gyWP4OX4Np1br5kiCZN7s6iFjD2baAc=' 
WHERE 
  key_id = '82ca776afabd96e5d419a666210d8d602de3d9bbe0e85e184f41e1df4e454aff' 
  AND (
    token = 'mnRHDSV2r4J+gyWP4OX4Np1br5kiCZN7s6iFjD2baAc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00034