UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Rk4D6foL+0aDq6RNT5Rf5oFULj7rLwpOmGY8pba0R20=' 
WHERE 
  key_id = '9c4750178456e1954d4507a519b5deff4899bf9032563d7883fd89edace3bf61' 
  AND (
    token = 'Rk4D6foL+0aDq6RNT5Rf5oFULj7rLwpOmGY8pba0R20=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )