UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mtCO3yyo+usvFL7AVG1vtK+dS0b47Au1u8AIUWhDobQ=' 
WHERE 
  key_id = '2526dac481a9d05a06966d53857a9aa4a3c7971baabec242510c2758b0053838' 
  AND (
    token = 'mtCO3yyo+usvFL7AVG1vtK+dS0b47Au1u8AIUWhDobQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )