UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'meFMwyatd1z1rlTIAouqj9NScGnJFw08rv1I4lBhP4I=' 
WHERE 
  key_id = 'e8621e37dabcd88787912f877913d1e3b458fd531d064b8baaad06d4b1730a0c' 
  AND (
    token = 'meFMwyatd1z1rlTIAouqj9NScGnJFw08rv1I4lBhP4I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )