UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ELOPAAeb0CRJaYJzww6mE3HgTSmocotTPirl5yTspMM=' 
WHERE 
  key_id = '638dafbe899e4e99a0019e93de33e5a637f8e924b7b65aa887f4254f2921a3b3' 
  AND (
    token = 'ELOPAAeb0CRJaYJzww6mE3HgTSmocotTPirl5yTspMM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )