UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = 'G0H6XyiFACiif9iaXRooW1UrPMD+aMNyeJfaDxku1mM=' 
WHERE 
  key_id = '4b0236b84aa28670aa9c2c55da95fa52995d056b3c21cb0abea5e778d749a467' 
  AND (
    token = 'G0H6XyiFACiif9iaXRooW1UrPMD+aMNyeJfaDxku1mM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )