UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MmcICDjG0U2a/2eVIlpp4WWsNGPC30RTQI6xbCPDSHk=' 
WHERE 
  key_id = 'b86c4b7ad1f2b042853b666da0666b8008c3e158c894b88c128acbe27c092f03' 
  AND (
    token = 'MmcICDjG0U2a/2eVIlpp4WWsNGPC30RTQI6xbCPDSHk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )