UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ynadIzbhNeZmaPLBu1GNgTPgBNQmL0Jxo8JYMv8wFgs=' 
WHERE 
  key_id = 'c7eeb09b5b24c6d016dd2384a9a0ebb99cbff67e5a8d70b4b91c82bb47492974' 
  AND (
    token = 'ynadIzbhNeZmaPLBu1GNgTPgBNQmL0Jxo8JYMv8wFgs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00024