UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'k18LuHkjLR6V70krGDrk4rWdBHCB/MpohGWRAUO9ldc=' 
WHERE 
  key_id = '5dc8c7442c799385a9bca0cb6995eb368cf95392c4eac03ddfe1744bca4154d5' 
  AND (
    token = 'k18LuHkjLR6V70krGDrk4rWdBHCB/MpohGWRAUO9ldc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )