UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kD2cHVFX4a0Qg3XHD2z1QtArD9rDDCbADTDJo+brd24=' 
WHERE 
  key_id = '81ee8170d8f9d44ed8b9413c5a76b21633ff8560317839518344264568468d29' 
  AND (
    token = 'kD2cHVFX4a0Qg3XHD2z1QtArD9rDDCbADTDJo+brd24=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )