UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'h+KOCJUwhxjrLDaEg50ijadpRG9rRfBuXGD0+e1kEfc=' 
WHERE 
  key_id = '6e971bf15bd8d2d4c223a92d20491c36f456a2cf0da481cc92042362cf3065cd' 
  AND (
    token = 'h+KOCJUwhxjrLDaEg50ijadpRG9rRfBuXGD0+e1kEfc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )