UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'OHRwbKhzxeIu4ZMCpZdVTo+I7Gn3K9Cae/xOBzXGXBk=' 
WHERE 
  key_id = '6364dc5b3b42479a48224f0aaa3d37c20ae03f5e8e971d7f9805e84a947fae4d' 
  AND (
    token = 'OHRwbKhzxeIu4ZMCpZdVTo+I7Gn3K9Cae/xOBzXGXBk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00042