UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'fUgp+rNweJRnyRtG9rWlV/D/vSpSnmCGz60PYirEOwE=' 
WHERE 
  key_id = '15f8ab255ae759dac487722495acd57f421595e9ac77e0519b424362ca9d0844' 
  AND (
    token = 'fUgp+rNweJRnyRtG9rWlV/D/vSpSnmCGz60PYirEOwE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )