UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'GZnvFQnH56JOUXF3KcnZAayIKFzVrKljjAZFAuarftw=' 
WHERE 
  key_id = 'b4fae7581cb935ea53f41791084054b6ea9e899de6fa74fbc9f9a6140b11e448' 
  AND (
    token = 'GZnvFQnH56JOUXF3KcnZAayIKFzVrKljjAZFAuarftw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00025