UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'EU+LpejTrn1Q9083SDFzL4I+VmS/2nbIpv0JBIhoGzo=' 
WHERE 
  key_id = '49804fdaec6da24417872c2ca54b3c57d45a69badba219f6550e2c5ad8edd90b' 
  AND (
    token = 'EU+LpejTrn1Q9083SDFzL4I+VmS/2nbIpv0JBIhoGzo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )