UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Q7m+KG2zviGOL/uVOAInoAg6xaIzWDI1OjKygX7dEVI=' 
WHERE 
  key_id = '351d242f3c4963a55839ac65dd76445dcf40faab55aa92107da8ea13cf4a27a1' 
  AND (
    token = 'Q7m+KG2zviGOL/uVOAInoAg6xaIzWDI1OjKygX7dEVI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )