UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+zpAVRjYRmcnMMfHxLXo8nm10LkP7/IBXxXC64+6yxY=' 
WHERE 
  key_id = '252cb7e32c1947620d06963f89748170bcf75600ffa09e67d5dfb71e405f6027' 
  AND (
    token = '+zpAVRjYRmcnMMfHxLXo8nm10LkP7/IBXxXC64+6yxY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )