UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Q/+a4B2uftPyvVpLCn9ieZ3ah8le3VV3TAG6N0w25a8=' 
WHERE 
  key_id = '51acc10d160c8e4832d55492a48ec2ed0470e20755b4a1f86f213268e2e89abf' 
  AND (
    token = 'Q/+a4B2uftPyvVpLCn9ieZ3ah8le3VV3TAG6N0w25a8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )