UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pqxEMllVqTeizak2krrOWyHMsjbEKaqgnaiZant5dns=' 
WHERE 
  key_id = 'e0f9f5f321dcf4dee18a20f8fdc1a7e6bf2444bf9ded2918bbdd64c8715ad50f' 
  AND (
    token = 'pqxEMllVqTeizak2krrOWyHMsjbEKaqgnaiZant5dns=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )