UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'K7hkm4Nu/1AAPZtDeDODlMUaomSAO7iwvnmUl7vQtbk=' 
WHERE 
  key_id = '8aff28b6bb9e0de5875d9863fcbcf76f0244600ac2455c2879dc3e8b0906bed0' 
  AND (
    token = 'K7hkm4Nu/1AAPZtDeDODlMUaomSAO7iwvnmUl7vQtbk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )