UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'V1qcZRAetg7Kh1OttGRy419328gqdIicZKCSuiV3vxk=' 
WHERE 
  key_id = '540691da64053346fb91eae1b9f40b401bed6fbf6c676667e54802a1728d97c1' 
  AND (
    token = 'V1qcZRAetg7Kh1OttGRy419328gqdIicZKCSuiV3vxk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )