UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DLYmTUdmvZQvgyMvBb15vp2+ky7xP0s4QM9bLkHF4bY=' 
WHERE 
  key_id = '50b259f68b34cd5762b404c2f70adacc2fed27fb74a5682bbd07538d76ed37ca' 
  AND (
    token = 'DLYmTUdmvZQvgyMvBb15vp2+ky7xP0s4QM9bLkHF4bY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )